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 22H2

Product reference — Windows 11 Version 22H2 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
CVEs3321
KEV entries220
Rate & severity
KEV/100Med CVSSMed EPSSCHML
6.67.8.011311240810

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
2026-020
2026-030
2026-040
2026-050
2026-061
2026-070
2026-080

Notable CVEs

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

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2021-345278.8100.0HIGHYES2021-11-03
CVE-2023-368847.599.9HIGHYES2023-07-17
CVE-2024-214128.199.9HIGHYES2024-02-13
CVE-2024-300887.099.3HIGHYES2024-10-15
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-2024-352507.897.8HIGHYES2024-12-16
CVE-2022-411288.897.7HIGHYES2022-11-08
CVE-2024-490398.896.3HIGHYES2024-11-12
CVE-2025-298247.896.2HIGHYES2025-04-08
CVE-2023-233767.895.5HIGHYES2023-02-14

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-505087.594.7HIGH—2026-06-09
CVE-2025-298247.896.2HIGHYES2025-04-08
CVE-2025-298127.854.6HIGH—2025-04-08
CVE-2025-298117.844.2HIGH—2025-04-08
CVE-2025-298107.582.8HIGH—2025-04-08
CVE-2025-298097.190.1HIGH—2025-04-08
CVE-2025-277425.553.5MEDIUM—2025-04-08
CVE-2025-277397.846.1HIGH—2025-04-08
CVE-2025-277386.587.0MEDIUM—2025-04-08
CVE-2025-277378.651.3HIGH—2025-04-08
CVE-2025-277365.555.3MEDIUM—2025-04-08
CVE-2025-277356.031.8MEDIUM—2025-04-08
CVE-2025-277327.026.8HIGH—2025-04-08
CVE-2025-277317.846.1HIGH—2025-04-08
CVE-2025-277307.846.1HIGH—2025-04-08

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2025-298242025-04-087.896.2HIGH
CVE-2025-266332025-03-117.098.1HIGH
CVE-2024-352502024-12-167.897.8HIGH
CVE-2024-490392024-11-128.896.3HIGH
CVE-2024-300882024-10-157.099.3HIGH
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
CVE-2023-368842023-07-177.599.9HIGH
CVE-2023-233762023-02-147.895.5HIGH
CVE-2023-218232023-02-147.892.2HIGH
CVE-2022-410492022-11-145.483.3MEDIUM
CVE-2022-411282022-11-088.897.7HIGH
CVE-2022-411252022-11-087.886.4HIGH
CVE-2022-410912022-11-085.479.0MEDIUM
CVE-2022-410732022-11-087.882.6HIGH
CVE-2021-345272021-11-038.8100.0HIGH

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.