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Microsoft Security Response CenterCVE-2026-33822

Microsoft Word Information Disclosure Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft 365 Apps for Enterprise for 32-bit Systems
6.1CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office LTSC for Mac 2024

Versions the vendor lists as fixed

  • https://aka.ms/OfficeSecurityReleases
  • 16.108.26041219
Next step

What the vendor recommends

Click to Run Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-33822View CVSS, KEV, EPSS, and threat context
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