Skip to content
7.8 High

CVE-2026-68817 Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally

Description

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected products and versions

Product Affected versions Fixed in
Microsoft 365 Apps for Enterprise 16.0 16.0.1 → latest No fix stated
Microsoft Excel 2016 16.0 16.0.0.0 → < 16.0.5565.1001 16.0.5565.1001
Microsoft Office 2019 19.0 19.0.0 → latest No fix stated
Microsoft Office 365 for Mac 1.0 1.0.0 → < 16.112.26081010 16.112.26081010
Microsoft Office LTSC 2021 16.0 16.0.1 → latest No fix stated
Microsoft Office LTSC 2024 16.0 16.0.0 → latest No fix stated
Microsoft Office LTSC for Mac 2021 16.0 16.0.1 → < 16.112.26081010 16.112.26081010
Microsoft Office LTSC for Mac 2024 16.0 16.0.0 → < 16.112.26081010 16.112.26081010
Office Online Server 16.0 16.0.0.0 → < 16.0.10417.20175 16.0.10417.20175

References

Timeline

  1. Published
  2. Last modified
The 931 CVEs of Microsoft 365 Apps for Enterprise →
Track this CVE