CVE-2026-88156
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Published Oct 13, 2026 · updated Oct 15, 2026 · microsoft 365 apps
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NIST NVD
Detected
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Oct 15, 2026 · NIST NVD
Updated
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Affected
- cpe microsoft/365 appsversion unspecified
- cpe microsoft/microsoft 365version unspecified
- cpe microsoft/office 2021version unspecified
- cpe microsoft/office 2024version unspecified
Sources
- NIST NVDVulnerability recordCVE-2026-88156
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
nvd.nist.gov