CVE-2026-55949
Published Jul 14, 2026Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- evidence mentions
- 5
- Buzz score
- 32.4
Vendor/product archive
233 CVEs tagged to microsoft / office_online_server — 2 Critical, 188 High, 41 Medium, 2 Low, 0 Unrated.
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.