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.

19,287 guide candidatesPage 408 of 1608
Review reviewHighFixed-version data
CVE-2026-56181

Microsoft Windows 11 Version 24H2, Windows 11 Version 25H2, Windows 11 version 26H1

Affected
>= 10.0.26100.0 < 10.0.26100.8875, >= 10.0.26200.0 < 10.0.26200.8875, >= 10.0.28000.0 < 10.0.28000.2525, >= 10.0.26100.0 < 10.0.26100.33158
Fixed
10.0.26100.8875, 10.0.26200.8875, 10.0.28000.2525, 10.0.26100.33158
Review reviewHighFixed-version data
CVE-2026-56178

Microsoft Microsoft Defender for Endpoint for Mac, defender for endpoint

Affected
>= 101.0.0 < 101.26042.0020
Fixed
101.26042.0020
Review reviewHighFixed-version data
CVE-2026-56176

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

Affected
>= 10.0.14393.0 < 10.0.14393.9339, >= 10.0.17763.0 < 10.0.17763.9020, >= 10.0.19044.0 < 10.0.19044.7548, >= 10.0.19045.0 < 10.0.19045.7548, >= 10.0.26100.0 < 10.0.26100.8875, >= 10.0.26200.0 < 10.0.26200.8875, >= 10.0.28000.0 < 10.0.28000.2525, >= 6.2.9200.0 < 6.2.9200.26226, >= 6.3.9600.0 < 6.3.9600.23291, >= 10.0.20348.0 < 10.0.20348.5386, >= 10.0.26100.0 < 10.0.26100.33158, r2
Fixed
10.0.14393.9339, 10.0.17763.9020, 10.0.19044.7548, 10.0.19045.7548, 10.0.26100.8875, 10.0.26200.8875, 10.0.28000.2525, 10.0.20348.5386, 10.0.26100.33158
Review reviewHighFixed-version data
CVE-2026-56175

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

Affected
>= 10.0.14393.0 < 10.0.14393.9339, >= 10.0.17763.0 < 10.0.17763.9020, >= 10.0.19044.0 < 10.0.19044.7548, >= 10.0.19045.0 < 10.0.19045.7548, >= 10.0.26100.0 < 10.0.26100.8875, >= 10.0.26200.0 < 10.0.26200.8875, >= 10.0.28000.0 < 10.0.28000.2525, >= 6.2.9200.0 < 6.2.9200.26226, >= 6.3.9600.0 < 6.3.9600.23291, >= 10.0.20348.0 < 10.0.20348.5386, >= 10.0.26100.0 < 10.0.26100.33158, r2
Fixed
10.0.14393.9339, 10.0.17763.9020, 10.0.19044.7548, 10.0.19045.7548, 10.0.26100.8875, 10.0.26200.8875, 10.0.28000.2525, 10.0.20348.5386, 10.0.26100.33158
Review reviewHighFixed-version data
CVE-2026-56173

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

Affected
>= 10.0.17763.0 < 10.0.17763.9020, >= 10.0.19044.0 < 10.0.19044.7548, >= 10.0.19045.0 < 10.0.19045.7548, >= 10.0.22631.0 < 10.0.22631.7376, >= 10.0.26100.0 < 10.0.26100.8875, >= 10.0.26200.0 < 10.0.26200.8875, >= 10.0.28000.0 < 10.0.28000.2525, >= 10.0.20348.0 < 10.0.20348.5386, >= 10.0.26100.0 < 10.0.26100.33158, < 10.0.28000.2269
Fixed
10.0.17763.9020, 10.0.19044.7548, 10.0.19045.7548, 10.0.22631.7376, 10.0.26100.8875, 10.0.26200.8875, 10.0.28000.2269, 10.0.28000.2525, 10.0.20348.5386, 10.0.26100.33158
Review reviewCriticalFixed-version data
CVE-2026-56159

Microsoft Windows 10 Version 1607, Windows 10 Version 1809, Windows Server 2012

Affected
>= 10.0.14393.0 < 10.0.14393.9339, >= 10.0.17763.0 < 10.0.17763.9020, >= 6.2.9200.0 < 6.2.9200.26226, >= 6.3.9600.0 < 6.3.9600.23291, >= 10.0.20348.0 < 10.0.20348.5386, >= 10.0.26100.0 < 10.0.26100.33158, r2
Fixed
10.0.14393.9339, 10.0.17763.9020, 10.0.20348.5386, 10.0.26100.33158
Review reviewHighResearch in progress
CVE-2026-56156

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 < 16.111.26071215, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.111.26071215, >= 16.0.0 < 16.111.26071215
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55949

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0.0 < 16.0.5561.1001, >= 19.0.0 < https://aka.ms/OfficeSecurityReleases, >= 1.0.0 < 16.111.26071215, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.111.26071215, >= 16.0.0 < 16.111.26071215, >= 16.0.0.0 < 16.0.10417.20175, 2016
Fixed
16.0.10417.20175
Review reviewHighFixed-version data
CVE-2026-55947

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0.0 < 16.0.5561.1001, >= 19.0.0 < https://aka.ms/OfficeSecurityReleases, >= 1.0.0 < 16.111.26071215, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.111.26071215, >= 16.0.0 < 16.111.26071215, >= 16.0.0.0 < 16.0.10417.20175, 2016
Fixed
16.0.10417.20175
Review reviewCriticalResearch in progress
CVE-2026-55944

Microsoft Microsoft Dynamics NAV 2018, dynamics nav

Affected
>= 1.0 < 11.0.50704.0, 2018
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55898

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0.0 < 16.0.5561.1001, >= 19.0.0 < https://aka.ms/OfficeSecurityReleases, >= 1.0.0 < 16.111.26071215, >= 16.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.1 < 16.111.26071215, >= 16.0.0 < 16.111.26071215, >= 16.0.0.0 < 16.0.10417.20175, 2016
Fixed
16.0.10417.20175
Review reviewHighResearch in progress
CVE-2026-55145

Microsoft Microsoft Copilot, copilot

Affected
See the vendor advisory and NVD configuration data
Fixed
No verified fixed-version field is available yet