boxscore/security
PRODUCT · referenceProducts · latest edition

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

Windows 11 Version 22H3

Product reference — Windows 11 Version 22H3 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
CVEs337135
KEV entries176
Rate & severity
KEV/100Med CVSSMed EPSSCHML
5.07.5.00653253801

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
2025-090
2025-100
2025-110
2025-120
2026-010
2026-0225
2026-030
2026-04110
2026-050
2026-060
2026-070
2026-080

Notable CVEs

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

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2024-214128.199.9HIGHYES2024-02-13
CVE-2026-338249.899.5CRITICALYES2026-04-14
CVE-2024-435727.899.2HIGHYES2024-10-08
CVE-2024-213387.899.1HIGHYES2024-03-04
CVE-2024-434618.898.9HIGHYES2024-09-16
CVE-2024-435736.598.6MEDIUMYES2024-10-08
CVE-2025-266337.098.1HIGHYES2025-03-11
CVE-2024-213517.698.1HIGHYES2024-02-13
CVE-2026-215108.897.8HIGHYES2026-02-10
CVE-2026-215138.896.5HIGHYES2026-02-10
CVE-2024-490398.896.3HIGHYES2024-11-12
CVE-2025-298247.896.2HIGHYES2025-04-08
CVE-2024-382175.495.2MEDIUMYES2024-09-10
CVE-2024-380147.893.0HIGHYES2024-09-10
CVE-2026-215256.291.5MEDIUMYES2026-02-10

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-338249.899.5CRITICALYES2026-04-14
CVE-2026-338294.388.0MEDIUM—2026-04-14
CVE-2026-338278.154.9HIGH—2026-04-14
CVE-2026-331047.011.1HIGH—2026-04-14
CVE-2026-331007.07.7HIGH—2026-04-14
CVE-2026-330997.07.7HIGH—2026-04-14
CVE-2026-330987.823.4HIGH—2026-04-14
CVE-2026-330967.567.0HIGH—2026-04-14
CVE-2026-322258.857.1HIGH—2026-04-14
CVE-2026-322185.536.5MEDIUM—2026-04-14
CVE-2026-322175.535.2MEDIUM—2026-04-14
CVE-2026-322155.535.3MEDIUM—2026-04-14
CVE-2026-322145.512.9MEDIUM—2026-04-14
CVE-2026-322125.523.4MEDIUM—2026-04-14
CVE-2026-321837.846.9HIGH—2026-04-14

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2026-338242026-08-189.899.5CRITICAL
CVE-2026-215332026-02-107.889.3HIGH
CVE-2026-215252026-02-106.291.5MEDIUM
CVE-2026-215192026-02-107.882.9HIGH
CVE-2026-215132026-02-108.896.5HIGH
CVE-2026-215102026-02-108.897.8HIGH
CVE-2025-298242025-04-087.896.2HIGH
CVE-2025-266332025-03-117.098.1HIGH
CVE-2024-490392024-11-128.896.3HIGH
CVE-2024-435722024-10-087.899.2HIGH
CVE-2024-435732024-10-086.598.6MEDIUM
CVE-2024-434612024-09-168.898.9HIGH
CVE-2024-382172024-09-105.495.2MEDIUM
CVE-2024-380142024-09-107.893.0HIGH
CVE-2024-213382024-03-047.899.1HIGH
CVE-2024-214122024-02-138.199.9HIGH
CVE-2024-213512024-02-137.698.1HIGH

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.