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 Server 2012

Product reference — Windows Server 2012 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
CVEs19831529
KEV entries9110
Rate & severity
KEV/100Med CVSSMed EPSSCHML
4.67.8.005510914074643

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
2025-110
2025-120
2026-0134
2026-0213
2026-030
2026-0455
2026-0539
2026-0661
2026-07175
2026-08139
2026-09393
2026-10620

Notable CVEs

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

Notable (ranked)
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2025-592879.8100.0CRITICALYES2025-10-14
CVE-2021-345278.8100.0HIGHYES2021-11-03
CVE-2020-14725.599.9MEDIUMYES2020-08-17
CVE-2022-301907.899.9HIGHYES2022-06-14
CVE-2023-368847.599.9HIGHYES2023-07-17
CVE-2021-404448.899.9HIGHYES2021-11-03
CVE-2018-81747.599.8HIGHYES2022-02-15
CVE-2023-360258.899.8HIGHYES2023-11-14
CVE-2025-330538.899.7HIGHYES2025-06-10
CVE-2021-16757.899.7HIGHYES2021-11-03
CVE-2025-330738.899.7HIGHYES2025-06-10
CVE-2021-422877.599.6HIGHYES2022-04-11
CVE-2021-404497.899.5HIGHYES2021-10-13
CVE-2021-422787.599.5HIGHYES2022-04-11
CVE-2018-84537.899.4HIGHYES2022-01-21

Recent CVEs

Most recently seen
CVECVSSEPSS %ileSeverityKEVFirst seen
CVE-2026-881158.845.2HIGH—2026-10-13
CVE-2026-881017.89.9HIGH—2026-10-13
CVE-2026-859368.845.2HIGH—2026-10-13
CVE-2026-838767.826.1HIGH—2026-10-13
CVE-2026-838737.827.5HIGH—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-2026-834997.821.7HIGH—2026-10-13
CVE-2026-730277.828.7HIGH—2026-10-13
CVE-2026-702227.830.3HIGH—2026-10-13
CVE-2026-701237.821.9HIGH—2026-10-13
CVE-2026-1050097.519.9HIGH—2026-10-13
CVE-2026-962177.822.4HIGH—2026-10-13

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVEKEV addedCVSSEPSS %ileSeverity
CVE-2026-858802026-09-087.889.4HIGH
CVE-2026-688202026-08-117.024.8HIGH
CVE-2026-561552026-07-147.826.6HIGH
CVE-2026-322022026-04-284.392.0MEDIUM
CVE-2023-364242026-04-137.896.1HIGH
CVE-2026-215332026-02-107.890.7HIGH
CVE-2026-215252026-02-106.291.9MEDIUM
CVE-2026-215132026-02-108.896.9HIGH
CVE-2026-215102026-02-108.897.9HIGH
CVE-2026-208052026-01-135.594.4MEDIUM
CVE-2025-592872025-10-249.8100.0CRITICAL
CVE-2025-330732025-10-208.899.7HIGH
CVE-2025-592302025-10-147.885.4HIGH
CVE-2025-249902025-10-147.893.6HIGH
CVE-2021-432262025-10-067.888.3HIGH
CVE-2025-330532025-06-108.899.7HIGH
CVE-2025-327012025-05-137.872.3HIGH
CVE-2025-327062025-05-137.883.3HIGH
CVE-2025-303972025-05-137.598.0HIGH
CVE-2025-327092025-05-137.878.4HIGH
CVE-2025-240542025-04-176.599.2MEDIUM
CVE-2025-298242025-04-087.896.5HIGH
CVE-2025-249832025-03-117.071.6HIGH
CVE-2025-249842025-03-114.680.4MEDIUM
CVE-2025-249852025-03-117.890.1HIGH

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.