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Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed “BlueHammer.” Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for Adobe Reader nixes an actively exploited flaw that can lead to remote code execution.
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Microsoft Corp. today pushed security updates to fix at least 77 vulnerabilities in its Windows operating systems and other software. There are no pressing “zero-day” flaws this month (compared to February’s five zero-day treat), but as usual some patches may deserve more rapid attention from organizations using Windows. Here are a few highlights from this month’s Patch Tuesday.
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Adam Barnett, adobe, Ben McCarthy, CVE-2026-21262, CVE-2026-24289, CVE-2026-24291, CVE-2026-24294, CVE-2026-25187, CVE-2026-26110, CVE-2026-26113, CVE-2026-26127, Immersive, Microsoft Office, Microsoft Patch Tuesday March 2026, mozilla firefox, Satnam Narang, Security Tools, Tenable, The Coming Storm, Time to Patch, XBOW¶¶¶¶¶
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Microsoft today released updates to fix more than 50 security holes in its Windows operating systems and other software, including patches for a whopping six “zero-day” vulnerabilities that attackers are already exploiting in the wild.
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Chris Goettl, CVE-2026-21256, CVE-2026-21509, CVE-2026-21510, CVE-2026-21513, CVE-2026-21514, CVE-2026-21516, CVE-2026-21519, CVE-2026-21523, CVE-2026-21525, CVE-2026-21533, Desktop Window Manager, Immersive, Ivanti, Kev Breen, Latest Warnings, Microsoft Word, MSHTML, sans internet storm center, Security Tools, Time to Patch, Windows Remote Desktop Services, Windows shell¶¶¶¶¶
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Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities earned Microsoft’s most-dire “critical” rating, and the company warns that attackers are already exploiting one of the bugs fixed today.
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Adam Barnett, Chris Goettl, CVE-2023-31096, CVE-2026-0628, CVE-2026-0891, CVE-2026-0892, CVE-2026-20805, CVE-2026-20952, CVE-2026-20953, CVE-2026-21265, Desktop Window Manager, Immersive, Ivanti, Kev Breen, Latest Warnings, Microsoft Office, Microsoft Patch Tuesday January 2026, Rapid7, The Coming Storm, Time to Patch¶¶¶¶¶
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Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that is already being exploited, as well as two publicly disclosed vulnerabilities.
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Adam Barnett, Ari Marzuk, CVE-2025-10573, CVE-2025-54100, CVE-2025-59516, CVE-2025-59517, CVE-2025-62221, CVE-2025-62458, CVE-2025-62470, CVE-2025-62472, CVE-2025-62554, CVE-2025-62557, CVE-2025-64671, IDEsaster, Immersive, Kev Breen, Latest Warnings, Microsoft Office, Microsoft Outlook, Rapid7, Satnam Narang, Tenable, The Coming Storm, Time to Patch, Windows Cloud Files Mini Filter Driver, Windows Powershell¶¶¶¶¶
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