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Office Online Server OOS Office Online Server Security update
Patch Tuesday

KB5002601

KB5002601: Cumulative update for Office Online Server, version OOS, September 2024. Microsoft Excel elevation-of-privilege flaw resolved

In short

Resolves a Microsoft Excel vulnerability that could allow elevation of privilege. It applies to the release version of Office Online Server.

Does it affect you? Applies to: Devices with the release version of Office Online Server installed. The update package is for 64-bit systems.

Build
16.0.10414.20000
Security
1 fixed
Restart
Required

What changes

Fix 1 change

Microsoft Excel

For: Office Online Server users

  • A Microsoft Excel vulnerability that could allow elevation of privilege is resolved.1
    Resolves CVE-2024-43465.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2024-09-10
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5002503
Replaced by
KB5002648
VersionBuildChannel
OOS 16.0.10414.20000 General availability

Security

1 vulnerability fixed
1 important
VulnerabilitySeverityCVSS
CVE-2024-43465
Microsoft Excel Elevation of Privilege Vulnerability
 Important 7.8

Downloads (Microsoft Update Catalog)

Package OOS
1.0 GB
wacserver-x-none.cab Main update · KB5002601 SHA-1: 4228f63b…8b6c1a

Sources

Updated
Cited passages from Microsoft's official notes (1)
  1. 1. This security update resolves a Microsoft Excel elevation of privilege vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2024-43465. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 1 quoted passage · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake