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Vulnerability details

CVE-2025-53735

Microsoft 365 Apps for EnterpriseMicrosoft ExcelMicrosoft OfficeMicrosoft Office LTSCMicrosoft Office LTSC for MacMicrosoft Office Online Server

Microsoft Excel Remote Code Execution Vulnerability

CVSS 3.1
7.8High

Official description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases CVEProject cvelistV5 (CNA)
Microsoft Microsoft Excel 2016 16.0.0.0 ≤ v < 16.0.5513.1000 CVEProject cvelistV5 (CNA)
Microsoft Microsoft Office 2019 19.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases CVEProject cvelistV5 (CNA)
Microsoft Microsoft Office LTSC 2021 16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases CVEProject cvelistV5 (CNA)
Microsoft Microsoft Office LTSC 2024 16.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases CVEProject cvelistV5 (CNA)
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 ≤ v < 16.100.25081015 CVEProject cvelistV5 (CNA)
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 ≤ v < 16.100.25081015 CVEProject cvelistV5 (CNA)
Microsoft Office Online Server 16.0.0.0 ≤ v < 16.0.10417.20034 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2025-08-12
Last updated
2026-02-26
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

0.57%
Probability of exploitation in 30 days
47.5%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-416
    Use After Free