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Microsoft demystifies how Windows updates work

Help Net SecurityJul 13, 00:00 UTC · Jul 13, 2026Vulnerability1

Microsoft Releases Windows Updates to Patch Actively Exploited Vulnerability

The Hacker NewsAug 11, 05:31 UTC · Aug 11, 2021Vulnerability in the wildCVE-2021-36948 CVE-2021-36942 CVE-2021-36936+4 CVEs

Microsoft Releases Emergency Windows 11 Update Following Patch Tuesday Bugs

Microsoft issued emergency Windows 11 update KB5129195 to fix Patch Tuesday regressions and fully close the CVE-2026-62721 privilege escalation flaw.

Microsoft shipped out-of-band cumulative update KB5129195 for Windows 11 24H2 and 25H2 (builds 26100.9457 and 26200.9457) after the September 8 Patch Tuesday rollup, which addressed over 960 CVEs including two actively exploited flaws, broke Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB audio. The emergency release also strengthens the incomplete fix for CVE-2026-62721, an elevation-of-privilege flaw in the Windows User-Mode Power Service that could let a local attacker gain SYSTEM privileges. Companion patches cover Windows 11 26H1, Windows 10, and Windows Server. Some USB Audio Class 1.0 and AMD Radeon graphics issues remain unresolved.

Cyber Security NewsSep 16, 07:45 UTC · 19h agoVulnerability in the wildCVE-2026-62721

Latest Microsoft Windows Updates Patch Dozens of Security Flaws

The Hacker NewsFeb 3, 03:59 UTC · Feb 3, 2026Vulnerability in the wildCVE-2021-31166 CVE-2021-28476 CVE-2021-26419+4 CVEs

Fake "Windows Update" screen fuels new wave of ClickFix attacks

Help Net SecurityNov 28, 10:21 UTC · Nov 28, 2025Vulnerability

Microsoft releases Windows out-of-band emergency fixes for Win Server, VPN issues

Security AffairsJan 18, 10:36 UTC · Jan 18, 2022Vulnerability1

Microsoft released Windows Updates that include Intel's Spectre microcode patches

Security AffairsMar 3, 09:00 UTC · Mar 3, 2018Vulnerability

Microsoft Started Blocking Windows 7/8.1 Updates For PCs Running New Processors

The Hacker NewsMar 20, 12:19 UTC · Mar 20, 2017Vulnerability

Update Windows 10 Immediately to Patch a Flaw Discovered by the NSA

The Hacker NewsJan 15, 00:00 UTC · Jan 15, 2020Vulnerability in the wildCVE-2020-0601 CVE-2020-0609 CVE-2020-0610+1 CVEs

CISA releases warning about Windows Server Update Service bug, orders agencies to patch

The RecordOct 27, 12:50 UTC · Oct 27, 2025Vulnerability in the wildCVE-2025-592871

Windows 10: New update controls for end users, automatic removal of broken updates

Help Net SecurityDec 14, 13:35 UTC · Dec 14, 2023Vulnerability

Lessons learned from Flame, three years later

Kaspersky SecurelistMay 29, 11:08 UTC · May 29, 2015Vulnerability1

Attackers bypass patch in deprecated Windows Server update tool

CyberScoopOct 27, 20:03 UTC · Oct 27, 2025Vulnerability in the wildCVE-2025-59287

Unpatched Unauthorized File Read Vulnerability Affects Microsoft Windows OS

The Hacker NewsDec 3, 03:42 UTC · Dec 3, 2021Vulnerability CVE-2021-24084 CVE-2021-34484 CVE-2021-413791

0patch releases unofficial patches for CVE-2021-24084 Windows 10 zero

Security AffairsNov 28, 10:55 UTC · Nov 28, 2021Vulnerability CVE-2021-24084

Microsoft begins Secure Boot certificate update for Windows devices

Help Net SecurityFeb 11, 00:00 UTC · Feb 11, 2026Vulnerability

Microsoft unveils "centralized" software update tool for Windows

Help Net SecurityJun 10, 18:07 UTC · Jun 10, 2025Vulnerability

Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)

Microsoft's September 2026 Patch Tuesday fixes a record 964 CVEs, including two zero-days actively exploited in the wild.

Microsoft patched a record 964 CVEs in its September 2026 Patch Tuesday release, with 101 rated critical and 824 rated important, making it the largest Patch Tuesday to date. The release includes fixes for two zero-days that were exploited in the wild, with CVE-2026-81963 and CVE-2026-85880 highlighted in the release. Affected products span Windows core components, Office, Exchange, .NET, Visual Studio, Active Directory services (including AD CS and AD FS) and numerous Azure services. Tenable notes the release surpasses July's as the biggest ever.

Tenable BlogSep 8, 18:07 UTC · 8d agoVulnerability in the wildCVE-2026-81963 CVE-2026-858801

Windows 11 Security Update KB5124008 Breaks Always-On VPN Connections

Microsoft's September 2026 Windows 11 update KB5124008 breaks certificate-based Always On VPN on some enterprise clients, forcing admins to pause rollout.

Microsoft's September 8, 2026 cumulative update KB5124008 for Windows 11 24H2 (build 26100.9445) and 25H2 (build 26200.9445) breaks certificate-based Always On VPN tunnels on some enterprise clients, with connectivity restored after uninstalling the update and rebooting. The issue was first detailed on Microsoft Q&A on September 9 by an administrator using Intune-deployed VPN profiles with RRAS and NPS on Windows Server 2019. The same mandatory Patch Tuesday package fixes two actively exploited zero-days, CVE-2026-81963 in the Windows Update Stack and CVE-2026-85880 in Windows Advanced Local Procedure Call, so many teams are pausing only VPN cohorts rather than blocking the full rollout.

Cyber Security Newsupdated Sep 16, 16:06 UTC · 11h agofirst Sep 11, 13:11 UTC · 5d agoVulnerability in the wild 14 sources CVE-2026-81963 CVE-2026-858802