CVE-2026-40360
HighSummary
An out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Risk Assessment
This vulnerability may lead to the disclosure of sensitive data, posing a threat to information security within the organization.
Recommendation
It is recommended to update Microsoft Office Excel to the latest version to mitigate the risks associated with this vulnerability.
Other vulnerabilities in Microsoft Office Excel
See all- CVE-2026-40359High
A use after free vulnerability in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- 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-2026-70328Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
- CVE-2026-70327Medium
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
- CVE-2026-70318Medium
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Original NVD description (English source)
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.