Microsoft Patch Tuesday for November 2026 — Snort rules and prominent vulnerabilities
Source Cisco Talos
Mentioned vulnerabilities
Rated Medium by Cisco Talos
Data as of 11 Nov 2026, 01:49 UTC
What to do
AI-suggested
Microsoft has released security updates addressing these vulnerabilities as part of the November 2026 Patch Tuesday. Applying these official patches promptly is the primary mitigation. No vendor advisory indicates that no action is required or that vulnerabilities are already mitigated. Organizations should prioritize patching vulnerabilities with known exploitation and higher CVSS scores first. Since this is not a cloud service, remediation depends on applying the provided patches.
Description
Microsoft's November 2026 Patch Tuesday addresses 1095 vulnerabilities across multiple products, including 64 critical issues. Among these, 48 are remote code execution vulnerabilities. One vulnerability, CVE-2026-124194 in Microsoft Office Outlook, has been exploited in the wild and involves spoofing due to lack of UI warnings for unsafe actions. Several high-severity remote code execution and elevation of privilege vulnerabilities affect Windows components, Active Directory, Microsoft Exchange Server, and Microsoft Office applications. Microsoft highlights certain vulnerabilities as more likely to be exploited, including CVE-2026-113862 (Windows NAT), CVE-2026-118146 and CVE-2026-118148 (Active Directory), CVE-2026-118207 (Exchange Server), and CVE-2026-119952 (Windows Schannel).