ReviewHigh

CVE-2023-36895

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

CVE-2023-36895 affects Microsoft Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 7.8
EPSS: 1.04%
CISA KEV: Not listed
Published: 2023.08.09

PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability1.04%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Microsoft Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019
Affected versions: >= 16.0.1 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.0.5408.1002, >= 19.0.0 < https://aka.ms/OfficeSecurityReleases, >= 16.0.0 < 16.76.23081101, >= 16.0.1 < 16.76.23081101, >= 15.0.1 < 15.0.5579.1001, 2013, 2013 rt, 2016, 2019, 2021
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Microsoft Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-416