Heap-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.

1. Oct 15, 2026 · NIST NVD

   Detected

   Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

2. Oct 15, 2026 · CVE.org

   Updated

   Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

3. Oct 16, 2026 · NIST NVD

   Updated

   Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Affected

• vendor Microsoft Microsoft 365 Apps for Enterpriseversion unspecified
• vendor Microsoft Microsoft Office 365 for Macversion unspecified
• vendor Microsoft Microsoft Office LTSC 2021version unspecified
• vendor Microsoft Microsoft Office LTSC 2024version unspecified
• vendor Microsoft Microsoft Office LTSC for Mac 2021version unspecified
• vendor Microsoft Microsoft Office LTSC for Mac 2024version unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-108448

  Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

  cve.org
• NIST NVDVulnerability recordCVE-2026-108448

  Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

  nvd.nist.gov

References

• Reference · msrc.microsoft.com