Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

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

   Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

2. Oct 14, 2026 · NIST NVD

   Updated

   Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Affected

• cpe microsoft/365 appsversion unspecified
• cpe microsoft/office 2021version unspecified
• cpe microsoft/office 2024version unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-70214

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-70214

  30-day exploitation probability 0.5%

  first.org
• NIST NVDVulnerability recordCVE-2026-70214

  Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

  nvd.nist.gov

References

• Vendor Advisory · msrc.microsoft.com