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Microsoft releases August 2026 security updates addressing hundreds of vulnerabilities
Microsoft has released its August 2026 Patch Tuesday updates, addressing a massive volume of vulnerabilities. Reports indicate the release fixes between 398 and 421 security flaws across the Microsoft ecosystem, including Windows, Office, Azure, and SharePoint. Experts note that the high frequency of these updates may be driven by the increased use of AI in vulnerability discovery.
A critical focus of this release is CVE-2026-68820, a high-severity zero-day privilege-escalation vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys). This use-after-free flaw allows a locally authenticated attacker to gain SYSTEM privileges. Security researchers from Check Point have linked the active exploitation of this vulnerability to the North Korean-linked Lazarus Group, which has used it to deploy kernel-mode rootkits.
Beyond security, the August update (KB5121003) introduces several Windows 11 usability and performance enhancements. These include a Low Latency Profile that boosts CPU frequency during application startup to improve responsiveness, new gesture controls for precision touchpads, and Voice Access improvements such as a Voice Isolation mode to filter background noise. Other updates include dynamic file size formatting in File Explorer and improved Windows Search capabilities.
Entities
CVE-2026-68820 · Check Point · Check Point Research · Copilot+ · Lazarus Group · Microsoft · Windows 11 · Windows 11
Claims
What the coverage asserts, and how well corroborated each claim is across sources.
- [○ 1 SOURCE] Voice Access now includes support for the Korean language. winfuture.de
- [● 3 SOURCES] The Voice Access accessibility feature now supports Voice Isolation to reduce interference from background noise and other speakers. www.thurrott.com · winfuture.de
- [○ 1 SOURCE] Users can now uninstall AI models from Copilot+ PCs.
- [○ 1 SOURCE] The Weather widget is now the only widget shown by default on the Lock Screen to reduce distractions. www.thurrott.com
- [● 2 SOURCES] The KB5121003 update for Windows 11 versions 25H2 and 24H2 includes new gesture controls for precision touchpads and Windows Update improvements. www.thurrott.com
- [● 16 SOURCES] Microsoft released the August 2026 Patch Tuesday updates for all supported versions of Windows 11. www.thurrott.com · tinhte.vn · windows.gadgethacks.com · notebook.cnmo.com · cyberinsider.com · +11 more
- [● 3 SOURCES] Windows Hello Enhanced Sign-in Security (ESS) now supports peripheral fingerprint sensors. www.thurrott.com · winfuture.de
- [● 2 SOURCES] Taskbar notification badges now use the Windows accent color instead of the default red. www.thurrott.com · winfuture.de
- [○ 1 SOURCE] Users can now pause Windows Updates for up to 35 days. www.thurrott.com
- [● 4 SOURCES] Taskbar notification badges will now use the Windows accent color instead of the default red. www.thurrott.com · winfuture.de · tinhte.vn · thewincentral.com
- [● 2 SOURCES] The KB5121003 update for Windows 11 versions 25H2 and 24H2 introduces new gesture controls for precision touchpads. www.thurrott.com
- [● 5 SOURCES] The Voice Access feature now includes Voice Isolation to filter out background noise and other speakers. www.thurrott.com · winfuture.de · tinhte.vn · thewincentral.com