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-2026-55131

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-2026-48580

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...

PT-2026-58545

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office Excel, which could allow an unauthorized attacker to execute arbitrary code locally on the system. This occurs when a us...

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-2026-58534

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office Excel, which could allow an unauthorized attacker to execute arbitrary code locally. A heap-based buffer overflow occurs...

PT-2026-58558

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An out-of-bounds read issue exists that allows an unauthorized attacker to disclose information over a network. An out-of-bounds read occurs when the software reads data past t...

PT-2026-58557

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office Excel, which allows an unauthorized attacker to execute code locally. This issue can be triggered when a user opens a...

PT-2026-58541

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A buffer over-read exists in Microsoft Office Excel, which could allow an unauthorized attacker to execute code locally. A buffer over-read occurs when a program reads more dat...

PT-2026-58550

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An out-of-bounds read exists in Microsoft Office Excel, which allows an unauthorized attacker to disclose sensitive information locally through the use of malicious content...