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 410 of 1608
Review reviewHighFixed-version data
CVE-2026-55125

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5561.1000, >= 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 < 16.0.5561.1001, >= 16.0.0 < 16.0.10417.20175, >= 16.0.0 < 16.0.19725.20434, 2016, 2019
Fixed
16.0.19725.20434
Review reviewHighResearch in progress
CVE-2026-55123

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 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 < 16.0.5561.1000, 2016
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55122

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-2026-55120

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 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 < 16.0.5561.1000, 2016
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55058

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-2026-55056

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5561.1000, >= 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
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55055

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 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 < 16.0.5561.1001, >= 16.0.0 < 16.0.10417.20175, >= 16.0.0 < 16.0.19725.20434, >= 16.0.1 < 16.0.5561.1000, 2016, 2019
Fixed
16.0.19725.20434
Review reviewHighFixed-version data
CVE-2026-55053

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-2026-55052

Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition

Affected
>= 16.0.0 < 16.0.5561.1001, >= 16.0.0 < 16.0.10417.20175, >= 16.0.0 < 16.0.19725.20434, 2016, 2019
Fixed
16.0.19725.20434
Review reviewHighResearch in progress
CVE-2026-55049

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5561.1000, >= 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
Fixed
No verified fixed-version field is available yet
Review reviewHighFixed-version data
CVE-2026-55048

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-2026-55045

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

Affected
>= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5561.1000, >= 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 < 16.0.5561.1001, >= 16.0.0 < 16.0.10417.20175, >= 16.0.0 < 16.0.19725.20434, 2016, 2019
Fixed
16.0.19725.20434