VDB

CVE-2026-55050

CVE-2026-55050 PUBLISHED CVSS 5.5 MEDIUM

Reported by microsoft · Published July 14, 2026

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Risk Scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1
MicrosoftMicrosoft Office 201919.0.0
MicrosoftMicrosoft Office 365 for Mac1.0.0
MicrosoftMicrosoft Office LTSC 202116.0.1
MicrosoftMicrosoft Office LTSC 202416.0.0
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1
MicrosoftMicrosoft Office LTSC for Mac 202416.0.0
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0
MicrosoftMicrosoft SharePoint Server 201916.0.0
MicrosoftMicrosoft SharePoint Server Subscription Edition16.0.0
MicrosoftMicrosoft Word 201616.0.1
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0, 16.0.0, 16.0.0
MicrosoftMicrosoft SharePoint Server 201916.0.0, 16.0.0, 16.0.0
microsoft365_apps16.0.1, 16.0.1, 16.0.1
MicrosoftMicrosoft Office LTSC 202416.0.0, 16.0.0, 16.0.0
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1, 16.0.1, 16.0.1
microsoftoffice_macos_202116.0.1, 16.0.1, 16.0.1
MicrosoftMicrosoft Office LTSC 202116.0.1, 16.0.1, 16.0.1
microsoftoffice_201919.0.0, 19.0.0, 19.0.0
MicrosoftMicrosoft Office 365 for Mac1.0.0, 1.0.0, 1.0.0

…and 13 more

Timeline

  • Jul 14, 2026 CVE Published
  • Jul 15, 2026 Coalition ESS Score
  • Jul 15, 2026 Security Advisory
  • Aug 3, 2026 CVE Updated

References

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