Microsoft Office OneNote Remote Code Execution Vulnerability

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 13, 2026 · CIRCL Vulnerability Lookup

   Detected

   Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

2. Oct 14, 2026 · CIRCL Vulnerability Lookup

   Updated

   Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

3. Oct 15, 2026 · NIST NVD

   Updated

   Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

4. Oct 16, 2026 · NIST NVD

   Updated

   Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

Affected

• cpe microsoft/365 appsversion unspecified
• vendor Microsoft Microsoft 365 Apps for Enterpriseversion unspecified

Sources

• CIRCL Vulnerability LookupVulnerability recordCVE-2026-97781

  Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

  vulnerability.circl.lu
• CVE.orgVulnerability recordCVE-2026-97781

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-97781

  30-day exploitation probability 0.8%

  first.org
• NIST NVDVulnerability recordCVE-2026-97781

  Improper neutralization of special elements used in a command ('command injection') in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.

  nvd.nist.gov

References

• Microsoft Office OneNote Remote Code Execution Vulnerability · msrc.microsoft.com