CVE Catalog

CVE-2026-45469

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

21th percentile - higher than 21% of all known CVEs

Summary

An integer underflow issue in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Risk Assessment

This vulnerability could lead to unauthorized access to the system and execution of malicious code, posing a serious security threat to the organization.

Recommendation

It is recommended to update Microsoft Office Excel to the latest version to mitigate this vulnerability and to monitor systems for potential attack attempts.

Original NVD description (English source)

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS