VULNERABILITY REMEDIATION

CVE remediation guides

Move from asset identification to supported remediation and post-change verification while keeping source evidence visible.

These defensive guides do not provide exploit reproduction or bypass instructions.

01

Confirm exposure first

Match the product, version, installation path, and external exposure before treating a score as an action order.

02

Prefer supported fixes

Use vendor advisories and supported update paths. An unverified fixed-version field stays visibly unresolved.

03

Verify and retain rollback

Confirm version state, service health, access paths, logs, and rollback readiness after the change.

18,947 guide candidatesPage 1153 of 1579

Review reviewHighFixed-version data

CVE-2026-20871

Microsoft Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 23H2

Affected: >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20870

Microsoft Windows 11 Version 24H2, Windows 11 Version 25H2, Windows Server 2025

Affected: >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.26100.7623, 10.0.26200.7623, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20869

Microsoft Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2

Affected: >= 10.0.14393.0 < 10.0.14393.8783, >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 6.1.7601.0 < 6.1.7601.28117, >= 6.0.6003.0 < 6.0.6003.23717, >= 6.2.9200.0 < 6.2.9200.25868, >= 6.3.9600.0 < 6.3.9600.22968, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.14393.8783, 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20868

Microsoft Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2

Affected: >= 10.0.14393.0 < 10.0.14393.8783, >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 6.1.7601.0 < 6.1.7601.28117, >= 6.0.6003.0 < 6.0.6003.23717, >= 6.2.9200.0 < 6.2.9200.25868, >= 6.3.9600.0 < 6.3.9600.22968, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.14393.8783, 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20867

Microsoft Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2

Affected: >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20866

Microsoft Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2

Affected: >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20865

Microsoft Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2

Affected: >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20864

Microsoft Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2

Affected: >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20863

Microsoft Windows 11 version 23H2, Windows 11 Version 23H2, Windows 11 Version 24H2

Affected: >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20861

Microsoft Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2

Affected: >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20860

Microsoft Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2

Affected: >= 10.0.14393.0 < 10.0.14393.8783, >= 10.0.17763.0 < 10.0.17763.8276, >= 10.0.19044.0 < 10.0.19044.6809, >= 10.0.19045.0 < 10.0.19045.6809, >= 10.0.22631.0 < 10.0.22631.6491, >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 6.1.7601.0 < 6.1.7601.28117, >= 6.0.6003.0 < 6.0.6003.23717, >= 6.2.9200.0 < 6.2.9200.25868, >= 6.3.9600.0 < 6.3.9600.22968, >= 10.0.20348.0 < 10.0.20348.4648, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.14393.8783, 10.0.17763.8276, 10.0.19044.6809, 10.0.19045.6809, 10.0.22631.6491, 10.0.26100.7623, 10.0.26200.7623, 10.0.20348.4648, 10.0.25398.2092, 10.0.26100.32230

Review reviewHighFixed-version data

CVE-2026-20859

Microsoft Windows 11 Version 24H2, Windows 11 Version 25H2, Windows Server 2025

Affected: >= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.26100.0 < 10.0.26100.32230
Fixed: 10.0.26100.7623, 10.0.26200.7623, 10.0.26100.32230