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The Update Bureau
Office Online Server OOS Office Online Server Security update
Patch Tuesday

KB5002648

KB5002648: Cumulative update for Office Online Server, version OOS, November 2024. Excel remote code execution vulnerability resolved

In short

Resolves a Microsoft Excel remote code execution vulnerability, CVE-2024-49026, rated Important.

Does it affect you? Applies to: Computers running the release version of Office Online Server. The update package is for 64-bit installations.

Build
16.0.10416.20007
Security
1 fixed
Restart
Required

What changes

Fix 1 change

Microsoft Excel

For: Office Online Server administrators

  • The Microsoft Excel remote code execution vulnerability is resolved.1
    Resolves CVE-2024-49026.

Technical details

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

Data sheet

Released
2024-11-12
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5002601, KB5002503
Replaced by
KB5002677
VersionBuildChannel
OOS 16.0.10416.20007 General availability

Security

1 vulnerability fixed
1 important
VulnerabilitySeverityCVSS
Microsoft Excel Remote Code Execution Vulnerability
Important 7.8

Downloads (Microsoft Update Catalog)

Sources

Updated
Cited passages from Microsoft's official notes (1)
  1. 1. This security update resolves a Microsoft Excel remote code execution vulnerability. 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 5/5, clarity 4/5, completeness 4/5. 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