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Security

Microsoft security updates and public advisory evidence: affected products, fixing updates, exploitation and source coverage.

Security Update Guide CISA KEV
1474Microsoft CVEsreleased Tue 13 Oct 94Critical81 need an update · 13 fixed service-side 1Exploited in the wild
1Publicly disclosed
1In CISA KEV
256Revised since release

September 2026: 998 CVEs · 132 critical · 2 exploited · 2 in CISA KEV

Act first · October 2026

Exploited, KEV-listed, or publicly disclosed
CVSS 8.8 KB5126646KB5126651KB5126653+6
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update183
CVSS 8.1 · EPSS 1.4% KB5128895KB5128896KB5128897+1
CVSS 8.8 · EPSS 2.7% KB5129955KB5129956KB5129957+1
Showing 3 of 183All critical

CVEs · October 2026

1121 matches in Windows · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-108400 HEVC Video Extensions Remote Code Execution VulnerabilityMicrosoft Windows Codecs Library Critical 8.80.9%RCENetwork
—
CVE-2026-108467 Microsoft PostScript Printer Driver Remote Code Execution VulnerabilityMicrosoft PostScript Printer Driver Critical 8.81.0%RCENetwork Fix has a known issue
KB5126646KB5126651+8
CVE-2026-108471 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege VulnerabilityWindows Virtualization-Based Security (VBS) Enclave Critical 8.80.4%EoPLocal Fix has a known issueRevised 16 Oct
KB5126651
CVE-2026-70250 Windows DHCP Client Remote Code Execution VulnerabilityWindows DHCP Client Critical 8.80.5%RCEAdjacent Fix has a known issueRevised 28 Oct
KB5126646KB5126651+4
CVE-2026-83934 Windows GDI+ Remote Code Execution VulnerabilityWindows GDI+ Critical 8.80.9%RCENetwork Fix has a known issue
KB5126646KB5126651+8
CVE-2026-88073 Windows Graphics Kernel Elevation of Privilege VulnerabilityWindows Graphics Kernel Critical 8.80.3%EoPLocal Fix has a known issue
KB5126646KB5126653+3
CVE-2026-96202 Windows Raw Image Extension Remote Code Execution VulnerabilityWindows Raw Image Extension Critical 8.80.9%RCENetwork Revised 26 Oct
—
CVE-2026-96913 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Critical 8.80.4%EoPLocal Fix has a known issueRevised 20 Oct
KB5126646KB5126651+5
CVE-2026-96914 Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege VulnerabilityWindows Virtualization-Based Security (VBS) Enclave Critical 8.80.3%EoPLocal Fix has a known issue
KB5126646KB5126651+6
CVE-2026-96943 Windows Raw Image Extension Remote Code Execution VulnerabilityWindows Raw Image Extension Critical 8.80.6%RCENetwork
—
CVE-2026-96952 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Critical 8.80.9%RCENetwork Fix has a known issue
KB5126646KB5126651+5
CVE-2026-108457 Microsoft Windows PDF Remote Code Execution VulnerabilityMicrosoft Windows PDF Critical 8.10.8%RCENetwork Fix has a known issue
KB5126646KB5126653+2

Advisories · October 2026

MSRC guidance without a CVE of its own · 1 advisory
ADV260001
Hardening changes for ReFS volumes on removable mediaStarting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.
Published 13 Oct28 affected products
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 15:26 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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