boxscore/security
PRODUCT · referenceProducts · latest edition

Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

Windows 11 Version 26H2

Product reference — Windows 11 Version 26H2 by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.

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Product totals

Disclosures & known-exploited
All-timeYTD
CVEs10071007
KEV entries11
Rate & severity
KEV/100Med CVSSMed EPSSCHML
0.17.5.0033427112540

KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.

Monthly disclosures

Trend (by first-seen month, full archive): █

Last 12 months (new CVEs by first-seen day)
MonthNew CVEs
2026-101007

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-969518.874.1HIGHYES2026-10-13
CVE-2026-880917.886.9HIGH—2026-10-13
CVE-2026-961867.882.7HIGH—2026-10-13
CVE-2026-835167.567.7HIGH—2026-10-13
CVE-2026-836557.567.7HIGH—2026-10-13
CVE-2026-838557.567.7HIGH—2026-10-13
CVE-2026-701337.566.3HIGH—2026-10-13
CVE-2026-837957.566.3HIGH—2026-10-13
CVE-2026-838437.566.3HIGH—2026-10-13
CVE-2026-838607.566.3HIGH—2026-10-13
CVE-2026-840177.566.3HIGH—2026-10-13
CVE-2026-1057237.566.3HIGH—2026-10-13
CVE-2026-836477.566.2HIGH—2026-10-13
CVE-2026-836856.566.0MEDIUM—2026-10-13
CVE-2026-836836.565.9MEDIUM—2026-10-13

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-881277.015.5HIGH—2026-10-13
CVE-2026-881017.89.9HIGH—2026-10-13
CVE-2026-858517.824.4HIGH—2026-10-13
CVE-2026-859368.845.2HIGH—2026-10-13
CVE-2026-853387.823.5HIGH—2026-10-13
CVE-2026-838767.826.1HIGH—2026-10-13
CVE-2026-838737.827.5HIGH—2026-10-13
CVE-2026-836397.823.2HIGH—2026-10-13
CVE-2026-835847.015.5HIGH—2026-10-13
CVE-2026-835797.826.0HIGH—2026-10-13
CVE-2026-835107.010.7HIGH—2026-10-13
CVE-2026-835097.020.7HIGH—2026-10-13
CVE-2026-835057.012.4HIGH—2026-10-13
CVE-2026-730277.828.7HIGH—2026-10-13
CVE-2026-702227.830.3HIGH—2026-10-13

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2026-969512026-10-138.874.1HIGH

Related

Vendor: Microsoft — all products and the full vendor record.

Methodology

A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.

Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.