SECUFOCUSNOW
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.

20,165 guide candidatesPage 887 of 1681
Review reviewHighResearch in progress
CVE-2026-45649

Microsoft Microsoft Excel for Android, Microsoft PowerPoint for Android, Microsoft Word for Android

Affected
>= 16.0.0.0 < 16.0.20131.20024
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-45648

Microsoft Windows Server 2022, Windows Server 2025, Windows Server 2025 (Server Core installation)

Affected
>= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45647

Microsoft Microsoft Defender for Endpoint for Mac, defender for endpoint

Affected
>= 101.0.0 < 101.26042.0011
Fixed
101.26042.0011
Review reviewHighResearch in progress
CVE-2026-45645

Microsoft Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5556.1001, >= 19.0.0 < https://aka.ms/OfficeSecurityReleases, >= 1.0.0 < 16.110.26061317, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.110.26061317, >= 16.0.0 < 16.110.26061317
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-45644

Microsoft Microsoft Live Share Canvas SDK, live share canvas

Affected
>= 1.0.0 < 1.4.2
Fixed
1.4.2
Review reviewHighResearch in progress
CVE-2026-45643

Microsoft Microsoft 365 Apps for Enterprise, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 1.0.0 < 16.110.26061317, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.110.26061317, >= 16.0.0 < 16.110.26061317
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-45641

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

Affected
>= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45640

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

Affected
>= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45639

Microsoft Remote Desktop client for Windows Desktop, Windows 10 Version 1607, Windows 10 Version 1809

Affected
>= 1.2.0.0 < 1.2.7214.0, >= 10.0.14393.0 < 10.0.14393.9234, >= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 1.00 < 2.0.1193.0, >= 6.2.9200.0 < 6.2.9200.26132, >= 6.3.9600.0 < 6.3.9600.23228, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995, < 1.2.7214
Fixed
1.2.7214, 2.0.1193.0, 10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45638

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

Affected
>= 10.0.14393.0 < 10.0.14393.9234, >= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 6.2.9200.0 < 6.2.9200.26132, >= 6.3.9600.0 < 6.3.9600.23228, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45637

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

Affected
>= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995
Review reviewHighFixed-version data
CVE-2026-45636

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

Affected
>= 10.0.14393.0 < 10.0.14393.9234, >= 10.0.17763.0 < 10.0.17763.8880, >= 10.0.19044.0 < 10.0.19044.7417, >= 10.0.19045.0 < 10.0.19045.7417, >= 10.0.22631.0 < 10.0.22631.7219, >= 10.0.26100.0 < 10.0.26100.8655, >= 10.0.26200.0 < 10.0.26200.8655, >= 10.0.28000.0 < 10.0.28000.2269, >= 6.2.9200.0 < 6.2.9200.26132, >= 6.3.9600.0 < 6.3.9600.23228, >= 10.0.20348.0 < 10.0.20348.5256, >= 10.0.26100.0 < 10.0.26100.32995
Fixed
10.0.14393.9234, 10.0.17763.8880, 10.0.19044.7417, 10.0.19045.7417, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.20348.5256, 10.0.26100.32995