Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information 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 13, 2026 · NIST NVD

   Detected

   Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

2. Oct 14, 2026 · NIST NVD

   Updated

   Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

3. Oct 15, 2026 · NIST NVD

   Updated

   Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information 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

• CVE.orgVulnerability recordCVE-2026-97740

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-97740

  30-day exploitation probability 0.8%

  first.org
• NIST NVDVulnerability recordCVE-2026-97740

  Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

  nvd.nist.gov

References

• Patch · msrc.microsoft.com