CVE-2026-55949

Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55947

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55898

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-55138

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-55136

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55131

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55122

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-55054

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network...

CVE-2026-55048

Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55036

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55037

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-54131

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-48580

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-55948

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-54988

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

CVE-2026-58618

CVE-2026-58618 : Heap-based buffer overflow in Microsoft Office Excel can allow a local attacker to execute code. Affects Excel components implicated in the heap overflow; CVSS 3.1 base score 7.8 (High). Exploitation is local and requires user interaction. Current connected docs reference Microso...

CVE-2026-55948

CVE-2026-55948 is a use-after-free vulnerability in Microsoft Office Excel that can allow local code execution. Affected: Excel (Office). Root cause: use-after-free in the Excel component. Impact: HIGH for confidentiality, integrity, and availability. CVSS v3.1 base score 7.8; attack vector LOCAL...

PT-2026-58529

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A type confusion issue occurs when a resource is accessed using an incompatible type. This flaw allows an unauthorized attacker to execute arbitrary code locally on the system ...

PT-2026-58579

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An untrusted pointer dereference allows an unauthorized attacker to execute code locally via a specially crafted spreadsheet. Recommendations At the moment, there is no...

PT-2026-58589

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow occurs when a program writes more data to a heap memory block than it can hold, potentially corrupting memory. This issue allows an unauthorized...