CVE-2026-40364
HighSummary
In Microsoft Office Word, a vulnerability related to access of resource using incompatible type ('type confusion') 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 threat to organizational security.
Recommendation
It is recommended to update Microsoft Office Word to the latest version to mitigate the risks associated with this vulnerability.
Other vulnerabilities in Microsoft Office Word
See all- CVE-2026-41101High
Improper access control in Microsoft Office Word allows an authorized attacker to perform spoofing locally.
- CVE-2026-20948High
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-20944High
An out-of-bounds read vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-70105Medium
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
- CVE-2026-70319Medium
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-70311High
A use-after-free vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-70310Medium
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-66810Medium
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-66806Medium
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
- CVE-2026-64917Medium
An out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Original NVD description (English source)
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.

