CVE-2026-26110
HighSummary
Microsoft Office has a vulnerability related to resource access using an incompatible type ('type confusion'), allowing an unauthorized attacker to execute code locally.
Risk Assessment
This vulnerability poses a risk to organizations by enabling attackers to run malicious code on user systems, potentially leading to data loss or system takeover.
Recommendation
It is recommended to update Microsoft Office to the latest version to mitigate this vulnerability and implement appropriate security measures to protect against unauthorized access.
Other vulnerabilities in Microsoft Office
See all- CVE-2026-26134High
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
- CVE-2026-20953High
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-20952High
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-20943High
An untrusted search path vulnerability in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2025-53732High
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2025-49702High
A vulnerability in Microsoft Office related to access of resource using incompatible type ('type confusion') allows an unauthorized attacker to execute code locally.
- CVE-2025-49697High
A heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2025-49696High
An out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2025-49695High
A use after free vulnerability in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2025-47953High
A use after free vulnerability in Microsoft Office allows an unauthorized attacker to execute code locally.
Original NVD description (English source)
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS