Latest Security Updates for Apple Software→
Latest Security Tests from AV-Comparatives→
September 2026 (Click listings for more information).
20. This Week in Security – September 20 – by Zack Whittaker.
20. 7 Days: Google Play backlog angers dev, DLSS 5 anywhere, & new PS headsets.
19. BragJack attacks hijack AI browser agents through malicious extensions.
19. Emergency Windows fixes, Steam Frame launch, & Advanced Shader Delivery.
19. ChatGPT comes to Microsoft Word, gets new Google Chrome extension, & more.
18. Gyazo server flaw exploited to steal 23.6 million user records.
18. Fake LastPass Authenticator GitHub repos push Rapuncel infostealer.
18. Microsoft fixes bug behind ‘Defender Antivirus is turned off’ alerts.
18. Plex bug forces cloud content onto Apple TV home screen.
18. Microsoft fixes broken copy and paste for Excel 2016 users.
17. New RatHat Android malware uses AI to automate device control.
17. OpenAI details more cases of AI agents taking unauthorized actions.
17. Microsoft brings Auto SR to more PCs to make games look better.
17. Windows 11 24H2 Home and Pro reach end of support in October.
17. Latest Windows September update apparently breaks printing, again.
17. This month shows why we hold back on patching – by Susan Bradley.
16. Microsoft confirms Edge 153 can freeze while using some web apps.
16. Malware bypasses browser checks to force-install Chrome & Edge extensions.
16. Getting patch fatigue? Chrome and Firefox fix 115 issues.
16. Microsoft says Copilot buttons are still missing in classic Outlook.
16. Microsoft issues massive warning for its new, very powerful AI tool.
16. Media Creation Tool gets one of the last Windows 11 25H2 ISOs before 26H2 release.
16. Google fixes actively exploited Android zero-day on Pixel devices.
16. I was wrong about the iPhone 17e – by Will Fastie.
15. ChatGPT may be down for many due to an outage, but OpenAI says there are no issues.
15. Google gives Gemini 3.8 Live background thinking.
15. Microsoft confirms Word can crash with some third-party apps.
15. Critical VMware RCE flaw now exploited by ransomware gangs.
15. Raspberry Pi adds modern features to desktop OS.
15. Microsoft confirms KB5002914 Excel update breaks copy & paste.
15. Firefox 156 cuts JPEG memory and speeds up decoding.
15. KB5129195 fails to fix secure domain logins broken by Windows 11 KB5124008.
15. September 14, 2026 Apple Updates – by PKCano.
14. iOS 27 fixes 122 security vulnerabilities, including serious kernel flaws.
14. Microsoft confirms September KB5002914 update “silently” breaks Excel copy-paste.
14. Homebrew 7.0.0 gets built-in GUI, better security controls.
14. Twitch extension with 30K installs exposes users’ OAuth tokens.
14. Hackers hijack HBO Max Reddit account to push malware in ClickFix ads.
14. Microsoft releases emergency out-of-band Windows update to fix Patch Tuesday bugs.
14. Microsoft: September updates cause RDS failures on Windows Server.
14. Revolut discloses data breach exposing financial info, passports.
14. Windows 11 KB5121003 allegedly corrupts BIOS, leading to installation failures on HP systems.
14. Microsoft: September updates break audio on some Windows PCs.
14. User finds why Windows 11 KB5121003 may automatically cut power on Lenovo PCs.
13. This Week in Security – September 13 – by Zack Whittaker.
13. Chrome goes bi-weekly, Apple’s $3,199 iPhone, & LG TV spying controversy.
13. Windows 11 KB5124008, KB5126052 may be breaking AMD PCs, with the easiest fix not working.
12. Zoom update triggers privacy risk by slurping Linux clipboards.
12. LG addresses “spying TVs” allegation with official statement & explanation.
12. Microsoft Weekly: Patch Tuesday, Insider builds, Kojima moving to Xbox, & more.
12. Windows 11 update triggers Code 10 error & breaks USB audio devices.
11. Hackers abused Claude to extract secrets from 1.8M Android apps.
11. Passkey-themed phishing attacks lead to Microsoft 365 data theft.
11. YouTube gets major privacy feature for smart TVs.
11. Microsoft fixes Teams, Outlook launch failures on ARM Windows PCs.
11. Windows 11 update KB5124008 breaks Always On VPN connections.
10. New Android malware encrypts files, steals data, & harasses victims.
10. September Windows Server updates break Remote Desktop Services.
10. Microsoft Excel KB5002914 update breaks copy & paste for some users.
10. IDScan confirms breach tied to 153 million stolen driver’s licenses.
10. Vivaldi 8.2 adds desktop extensions to Android.
10. Microsoft says September updates fix mouse settings reset issues.
10. MSNightmare drops ShieldCrash zero-day after Windows 11 patch.
10. Microsoft fixes bug that wiped Windows desktop settings.
09. AdaptHealth confirms 4.1 million people exposed in July cyberattack.
09. Skullcandy Dime 3 earbuds expose users to Bluetooth hijacking.
09. Veradigm warns of patient data breach after ransomware gang claims attack.
09. Over 36,000 exposed Plex servers vulnerable to recent flaws.
09. New Microsoft Defender ‘ShieldCrash’ zero-day grants SYSTEM access.
09. Google warns of new Chrome zero-day bug exploited in attacks.
08. iOS 26.6.2 patches only one bug, but it’s incredibly important.
08. Google Chrome is on a two-week release schedule starting today, version 153 rolling out now.
08. Microsoft releases Windows 10 KB5122878 extended security update.
08. Microsoft September Patch Tuesday fixes 966 flaws, 2 zero-days.
08. Windows 11 cumulative updates KB5124008 & KB5122880 released.
08. OpenAI says ChatGPT outage causes image generation errors.
08. August updates trigger 0xc0000409 errors on Windows Server 2016.
08. OpenAI says GPT-6 Astra can find zero-days, but is also harder to monitor.
08. Jellyfin 12 ships with version jump and breaking client changes.
07. Mathspace discloses data breach affecting over 1 million people.
07. Hackers exploit new MikroTik RouterOS flaws to hijack routers.
06. This Week in Security – September 6 – by Zack Whittaker.
06. Attackers conceal phishing lures using invisible Unicode characters.
06. 7 Days: World’s first Wi-Fi 8 router, Brave faster than Chrome, & $500 AI toothbrush.
06. Microsoft Office 2021 gets unofficial extended support, but it’s not free.
05. Microsoft Weekly: Project Zenith, Xbox Cloud Gaming monthly limits, & more.
05. Over 5,400 hacked sites serve ClickFix payloads stored on the blockchain.
04. This Facebook, Instagram, TikTok free streaming app ad leads to “full device takeover”.
04. Firefox 155 bug is making videos look washed out on macOS.
04. Microsoft offers workaround for Teams & New Outlook crashing on Windows 11.
04. Microsoft says some users can’t open the Teams desktop client.
04. New CrowdStrike ‘FalconFlank’ zero-day grants SYSTEM privileges.
04. Exchange Online outage causes email delays, ‘Server busy’ errors.
04. Google warns of new Chrome zero-day flaw exploited in attacks.
03. Audacity 4.0 is out with a major redesign and new editing tools.
03. OpenAI launches GPT-6 Astra and says it may mark the beginning of the “AGI era”.
03. OpenAI confirms ChatGPT is down ahead of ‘Astra’ model launch.
03. Anthropic confirms Claude is down; multiple models affected.
03. Microsoft says KB5120998 Windows update resets desktop settings.
03. Plex warns users to patch security vulnerabilities immediately.
03. Vivaldi 8.2 adds address bar calculator and PWA features.
03. Microsoft Teams, Outlook fail to launch on ARM-based Windows PCs.
03. MS-DEFCON 2: Defer those previews – By Susan Bradley.
02. AdGuard could be your uBlock Origin alternative as Google Chrome kills it off completely.
02. Fake Edge & Razer download sites push malware, Microsoft warns.
02. Bug causes Microsoft Defender to flag Google links as malware.
02. VPNs hide trackers – by Susan Bradley.
02. Dropbox accounts breached through Lenovo email verification flaw.
02. Microsoft Defender flags legitimate Google search links as malicious.
01. Apple Rewind: Apple gets a new CEO, teen vibecodes macOS driver, iPhone-Windows copy/paste.
01. Aesto Health says data breach affects over 9.5 million patients.
01. You can now block (some) ads in Firefox on iOS.
01. Novocure data breach affects more than 1,400 cancer patients.
01. Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks.
01. Recently patched PaperCut zero-days used in data theft attacks.
01. Microsoft finally brings “official” Edge support to Linux.
August 2026 (Click listings for more information).
31. Microsoft Exchange Online outage causes email failures, auth issues.
31. OpenAI confirms ChatGPT outage as users report errors.
31. Debian 11 LTS is dead; upgrade to Debian 12 now to get updates.
31. Microsoft says Windows 11 KB5120998 update resets mouse settings.
31. Microsoft asks users to ignore ‘Antivirus is turned off’ errors.
30. This Week in Security – August 30 – by Zack Whittaker.
30. 7 Days: Windows XP turns 25, Apple confirms iPhone event, & 25th anniversary of Xbox.
30. Anthropic warns infostealer malware is hijacking Claude sessions to drain usage.
30. Chrome Web Store extensions caught stealing crypto, browser data.
29. Windows 11’s preview update breaks mouse settings, as Defender spams users with false alerts.
29. Microsoft Weekly: Windows 11 26H2 in Release Preview, GTA VI gameplay reveal, & more.
29. Brave browser adds email aliases to help users evade tracking.
29. Windows 11’s native framework, WinUI, is now truly open-source.
29. You will now get major Edge updates every two weeks.
28. McKesson discloses breach after ShinyHunters claims patient data theft.
28. PaperCut releases second emergency patch for exploited flaws.
28. Microsoft Edge 152 adds a useful feature for fighting scam notifications.
28. Windows 11 KB5120998 update released with 35 changes & fixes.
28. Ubuntu 24.04 to 26.04 upgrade path opens with point release.
28. 26H2 is in preview – by Susan Bradley.
27. Microsoft releases Windows 11 KB5120998 with list of improvements & fixes.
27. PaperCut warns of NG, MF flaw exploited in zero-day attacks.
27. Microsoft is adding a very useful feature to Teams & removing another.
27. Android 17 adds ECH support to make web browsing harder to track.
27. Microsoft rolls out fix for Windows 11 crashes, gaming issues.
27. Carhartt data breach exposes information of 12.9 million accounts.
27. AKB6000021 Guide to Windows 11 Update Settings – by PKCano.
26. Google’s latest speech-to-text Gemini model offers a platter of new features.
26. Telegram’s latest update makes messages more interactive.
26. LibreOffice 26.8 is out, and it still refuses to add AI features.
26. Intel releases Arc graphics driver with NBA 2K27 optimization & bug fixes.
26. Apple quietly makes its next move – by Will Fastie.
25. AnonyMousKIT PhaaS uses voice AI agents to phish iPhone passcodes.
25. Microsoft PowerToys adds Alt+Tab-style switching for an app’s windows.
25. WhatsApp adds stronger two-step verification, multiple passkeys.
25. MS-DEFCON 3: Side effects for some, but not all – by Susan Bradley.
24. Unpatched Calix flaw lets hackers bypass NAT to expose internal devices.
24. Microsoft makes major accessibility improvement in PowerPoint.
24. Lenovo confirms Legion Go BIOS failures, says affected devices will be repaired for free.
24. Microsoft Teams now lets admins block external bots from meetings.
24. Microsoft: August updates break printing, PDF export in WPF apps.
24. Microsoft shares temporary fix for Windows 11 gaming issues.
23. This Week in Security – August 23 – by Zack Whittaker.
23. Elon Musk’s GitHub alternative, Linux follows Windows, teens vibecodes macOS driver.
23. ToxicPanda Android malware uses VPN permissions to block Google Play.
23. Microsoft Edge is ending support for MDAG and WIP in Windows 10.
23. New Windows 11 context menu, broken Defender scans, GTA 6 leaks, & more.
22. Hackers infect Android car head units with proxy botnet malware.
21. Walmart finally says yes to Apple Pay and Google Pay.
21. Microsoft confirms RGB triggers Windows 11 to unexpectedly restart & crash.
21. New SynkLoader malware pushed in Microsoft Teams phishing campaign.
21. Microsoft blames Windows gaming issues on RGB lighting devices.
20. Proton Mail now sorts emails into “Primary,” “Social,” & more, like Gmail.
20. Plex patches buggy Samsung Smart TV app causing playback errors.
20. Microsoft says August Windows updates may cause gaming issues.
19. OpenAI confirms ChatGPT is down as logins and signups fail.
19. Rogue ransomware affiliate poses as recovery firm to steal payments.
19. Healthtech firm CareCloud data breach impacts 3.7 million patients.
19. Microsoft fixes known issue causing Windows Defender crashes.
18. Comcast turns your Xfinity WiFi into a home motion detector.
18. Windows Task Host flaw now exploited by ransomware gangs.
18. Microsoft confirms outage affecting search in Microsoft 365 apps.
18. Microsoft starts removing WMIC tool used by cybercriminals.
17. Microsoft confirms GitHub is down worldwide.
17. Apple Releases iOS 26.6.1, macOS 26.6.2, and More.
17. Microsoft working on Defender patch for ShieldBreak zero-day.
16. This Week in Security – August 16 – by Zack Whittaker.
16. Large-scale DDoS attacks disrupted Threema secure messaging service.
16. Linux finally follows Windows & makes a CPU feature requirement mandatory.
16. New AmnesiaStealer macOS malware hijacks browser sessions via remote control.
16. Valve customer data got hacked, Apple ID on MS Edge, & Google’s AirTag rival.
15. Microsoft releases Defender update for Windows 11, 10, & Server ISO installations.
15. Microsoft released Windows 11 KB5121002, KB5120250 OS recovery updates.
15. New Evooo1Bot Linux botnet turns routers into traffic relay nodes.
15. Microsoft Weekly: Patch Tuesday updates, Windows license price hike, & more.
14. Shell investigates ‘potential incident’ after Clop data theft claims.
14. RingCentral data breach exposed info of 1.6 million accounts.
14. Hackers exploit macOS Screen Sharing flaw to deploy Monero miner.
14. Who’s Tracking You? Use This New Service to Find Out.
13. Apple sends ‘Threat Notification’ alerts over mercenary spyware attacks.
13. Microsoft patches LegacyHive Windows zero-day vulnerability.
13. Critical VMware vCenter RCE flaw exploited for reverse SSH access.
13. Researchers find Windows 11 can be hacked with no physical access.
13. Trezor discloses data breach affecting nearly 14,000 customers.
13. Patched SharePoint vulnerability now being exploited in the wild.
13. WhatsApp rolls out new feature that flags potential scam messages.
13. NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept.
12. Hackers leverage new Microsoft SharePoint exploit in attacks.
12. Signal adds new security feature to thwart man-in-the-middle attacks.
12. Microsoft Defender ‘ShieldBreak’ zero-day grants SYSTEM privileges.
12. Hundreds of fake Chrome VPN extensions route traffic through a proxy.
12. Plug & Pwn attack uses fake USB devices for Windows SYSTEM access.
12. FBI: Hackers target online accounts to steal nude photos.
12. Windows 11, Windows 10, Windows Server affected by in-the-wild exploit.
12. Android malware combo takes out loans & relays victims’ credit cards.
11. Microsoft releases Windows 10 KB5120249 extended security update.
11. Microsoft August 2026 Patch Tuesday fixes 400 flaws, 3 zero-days.
11. Windows 11 KB5121003 & KB5120240 cumulative updates released.
11. Microsoft plugs nearly 400 security holes – by Brian Krebs.
11. August 2026 Security updates – by Susan Bradley.
10. Microsoft explains the recent Xbox outage & outlines upcoming fixes.
10. Valve informs customers about data breach, personal data stolen.
09. This Week in Security – August 9 – by Zack Whittaker.
09. Ads on PlayStation, MS Edge kills uBlock Origin, & Electronic Arts goes private.
08. Microsoft Weekly: Xbox price hikes, why Windows is slow to modernize, GTA VI news, & more.
07. Metabase SQLi zero-day exploited in customer data-theft attacks.
07. August 6, 2026 Apple Updates – by PKCano.
07. Unlimited Technology Systems breach impacts 3.8 million people.
07. Permanently disable Microsoft’s hidden tracker on all Windows 11 versions with this script.
06. MS-DEFCON 2: Is Search going to get better? – by Susan Bradley.
06. ClickFix attack pushes macOS infostealer for crypto theft attacks.
06. New TONTOU CPU attack bypasses Spectre v2 fixes, leaks Linux password hashes.
06. Privacy browsers on iOS & iCloud Private Relay are leaking your IP & DNS.
05. Lenovo Legion Go BIOS update is bricking the device, & repairs are extremely expensive.
05. Google Blogger locks hundreds of blogs in malware false positive.
05. Microsoft suddenly pulls new Microsoft 365 Copilot feature after rollout with no explanation.
04. OpenAI, Anthropic AI agents targeted real people & systems in cyber tests.
04. Phishing service spoofs RingCentral to steal Microsoft 365 accounts.
04. Firefox on Windows can now avoid an update trap that could leave browsers unable to start.
04. Intel’s latest Wi-Fi driver brings more quality & stability improvements.
04. Core Ubuntu package to be turned into a Snap; Deb ditched.
03. Hotel Wi-Fi attacks use custom malware to breach Microsoft 365 accounts.
03. New Pass-ta-key attacks let malware hijack Google-synced passkeys.
03. Meta explains WhatsApp “account in review” lockout bug.
03. New DOUBLECUP ClickFix service hides malware in browser cache images.
03. Fake Roblox Xeno script launcher pushes infostealer, RAT malware.
02. This Week in Security – August 2 – by Zack Whittaker.
02. Man charged for wiping smartphone, GPU customer finds a surprise, & money talks.
01. Microsoft released Windows 11 KB5102117 update for OS recovery.
01. Microsoft Weekly: Xbox outage, fake Windows apps, new Windows 11 updates, & more.
01. Microsoft realizes Windows 11 system requirements need an overhaul.