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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 1156 of 1579
Review reviewHighFixed-version data
CVE-2026-20809

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, >= 6.3.9600.0 < 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, r2
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-2026-20808

Microsoft Windows 11 Version 24H2, Windows 11 Version 25H2, Windows Server 2022, 23H2 Edition (Server Core installation)

Affected
>= 10.0.26100.0 < 10.0.26100.7623, >= 10.0.26200.0 < 10.0.26200.7623, >= 10.0.25398.0 < 10.0.25398.2092, >= 10.0.26100.0 < 10.0.26100.32230
Fixed
10.0.26100.7623, 10.0.26200.7623, 10.0.25398.2092, 10.0.26100.32230
Known exploitedMediumFixed-version data
CVE-2026-20805

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, >= 6.2.9200.0 < 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, r2
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
Review reviewHighFixed-version data
CVE-2026-20804

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, >= 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-2026-20803

Microsoft Microsoft SQL Server 2022 (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 22), Microsoft SQL Server 2025 for x64-based Systems (GDR)

Affected
>= 16.0.0 < 16.0.1165.1, >= 16.0.0.0 < 16.0.4230.2, >= 17.0.1050.2 < 17.0.1050.2, >= 16.0.1000.6 < 16.0.1165.1, >= 16.0.4003.1 < 16.0.4230.2, 17.0.1000.7
Fixed
16.0.1165.1, 16.0.4230.2
Review reviewHighFixed-version data
CVE-2025-71101

Linux Linux, linux kernel

Affected
>= e6c7b3e15559699a30646dd45195549c7db447bd < cf7ae870560b988247a4bbbe5399edd326632680, >= e6c7b3e15559699a30646dd45195549c7db447bd < db4c26adf7117b1a4431d1197ae7109fee3230ad, >= e6c7b3e15559699a30646dd45195549c7db447bd < 79cab730dbaaac03b946c7f5681bd08c986e2abd, >= e6c7b3e15559699a30646dd45195549c7db447bd < e44c42c830b7ab36e3a3a86321c619f24def5206, >= 6.6, >= 6.6.1 < 6.6.120, >= 6.7 < 6.12.64, >= 6.13 < 6.18.4, 6.6, 6.19
Fixed
6.6.120, 6.12.64, 6.18.4
Review reviewHighFixed-version data
CVE-2025-71100

Linux Linux, linux kernel

Affected
>= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 9765d6eb8298b07d499cdf9ef7c237d3540102d6, >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < 90a15ff324645aa806d81fa349497cd964861b66, >= 8ca4cdef93297c9b9bf08da39bc940bd20acbb94 < dd39edb445f07400e748da967a07d5dca5c5f96e, >= 6.9, >= 6.9.1 < 6.12.64, >= 6.13 < 6.18.4, 6.9, 6.19
Fixed
6.12.64, 6.18.4
Review reviewHighFixed-version data
CVE-2025-71099

Linux Linux, linux kernel

Affected
>= cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 < c6d30b65b7a44dac52ad49513268adbf19eab4a2, >= cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 < 7cdb9a9da935c687563cc682155461fef5f9b48d, >= cdf02fe1a94a768cbcd20f5c4e1a1d805f4a06c0 < dcb171931954c51a1a7250d558f02b8f36570783, >= 6.11, >= 6.11.1 < 6.12.64, >= 6.13 < 6.18.4, 6.11, 6.19
Fixed
6.12.64, 6.18.4
Review reviewHighFixed-version data
CVE-2025-71093

Linux Linux, linux kernel

Affected
>= 2037110c96d5f1dd71453fcd0d54e79be12a352b < 4ccfa56f272241e8d8e2c38191fdbb03df489d80, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < 278b7cfe0d4da7502c7fd679b15032f014c92892, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < ad7a2a45e2417ac54089926b520924f8f0d91aea, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < 2c4c0c09f9648ba766d399917d420d03e7b3e1f8, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < 26c8bebc2f25288c2bcac7bc0a7662279a0e817c, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < ee7c125fb3e8b04dd46510130b9fc92380e5d578, >= 2037110c96d5f1dd71453fcd0d54e79be12a352b < 9c72a5182ed92904d01057f208c390a303f00a0f, >= 3.18, >= 3.18.1 < 5.10.248, >= 5.11 < 5.15.198, >= 5.16 < 6.1.160, >= 6.2 < 6.6.120, >= 6.7 < 6.12.64, >= 6.13 < 6.18.4, 3.18, 6.19
Fixed
5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.4
Review reviewHighFixed-version data
CVE-2025-71092

Linux Linux, linux kernel

Affected
>= ef56081d1864582a6db50710733416c0510b7826 < 369a161c48723f60f06f3510b82ea7d96d0499ab, >= ef56081d1864582a6db50710733416c0510b7826 < 9b68a1cc966bc947d00e4c0df7722d118125aa37, >= 6.18, >= 6.18.1 < 6.18.4, 6.18, 6.19
Fixed
6.18.4
Review reviewHighFixed-version data
CVE-2025-71086

Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP

Affected
>= 12e5a4719c99d7f4104e7e962393dfb8baa1c591 < 819fb41ae54960f66025802400c9d3935eef4042, >= c0e527c532a07556ca44642f5873b002c44da22c < ed2639414d43ba037f798eaf619e878309310451, >= 3e0d1585799d8a991eba9678f297fd78d9f1846e < 1418c12cd3bba79dc56b57b61c99efe40f579981, >= ffced26692f83212aa09d0ece0213b23cc2f611d < 9f6185a32496834d6980b168cffcccc2d6b17280, >= 64b8bc7d5f1434c636a40bdcfcd42b278d1714be < b409ba9e1e63ccf3ab4cc061e33c1f804183543e, >= 64b8bc7d5f1434c636a40bdcfcd42b278d1714be < 92d900aac3a5721fb54f3328f1e089b44a861c38, >= 64b8bc7d5f1434c636a40bdcfcd42b278d1714be < 6595beb40fb0ec47223d3f6058ee40354694c8e4, >= bd7de4734535140fda33240c2335a07fdab6f88e, >= b10265532df7bc3666bc53261b7f03f0fd14b1c9, >= 5.10.206 < 5.10.248, >= 5.15.146 < 5.15.198, >= 6.1.70 < 6.1.160, >= 6.6.9 < 6.6.120, >= 4.19.304 < 4.20, >= 5.4.266 < 5.5, >= 6.7, >= V3.1.6, >= 6.7.1 < 6.12.64, >= 6.13 < 6.18.4, 6.7
Fixed
4.20, 5.5, 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.4
Review reviewHighFixed-version data
CVE-2025-71082

Linux Linux, linux kernel

Affected
>= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < fff9206b0907252a41eb12b7c1407b9347df18b1, >= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < cca0e9206e3bcc63cd3e72193e60149165d493cc, >= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < c0ecb3e4451fe94f4315e6d09c4046dfbc42090b, >= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < 1e54c19eaf84ba652c4e376571093e58e144b339, >= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < fdf7c640fb8a44a59b0671143d8c2f738bc48003, >= 98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 < 252714f1e8bdd542025b16321c790458014d6880, >= 3.7, >= 3.7.1 < 5.15.198, >= 5.16 < 6.1.160, >= 6.2 < 6.6.120, >= 6.7 < 6.12.64, >= 6.13 < 6.18.4, 3.7, 6.19
Fixed
5.15.198, 6.1.160, 6.6.120, 6.12.64, 6.18.4