CVE-2026-81950
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Risk Assessment
Risk of local code execution on a user's system when opening a malicious Excel file.
Recommendation
Apply the latest security updates for Microsoft Office.
Other vulnerabilities in Microsoft Office Excel
See all- CVE-2026-20957High
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-20956High
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-20955High
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-20950High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-20949High
Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
- CVE-2026-20946High
An out-of-bounds read vulnerability in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-108446High
A use-after-free vulnerability in Microsoft Office Excel allows an unauthenticated attacker to execute code over a network. The vulnerability occurs when processing specially crafted data.
- CVE-2026-97780High
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
- CVE-2026-97779Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. The attacker can read data outside the intended memory bounds.
- CVE-2026-97778High
Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS