CVE-2026-55037: Heap-based Buffer Overflow

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

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-2026-58529

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-2026-58213

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

CVE-2026-55948: Use After Free

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

CVE-2026-50675: Heap-based Buffer Overflow

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

CVE-2026-55138: Untrusted Pointer Dereference

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

CVE-2026-56156: Heap-based Buffer Overflow

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

CVE-2026-54131: Use After Free

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

CVE-2026-50408: Out-of-bounds Read

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

CVE-2026-55031: Out-of-bounds Read

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

CVE-2026-55122: Out-of-bounds Read

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

CVE-2026-55137: Heap-based Buffer Overflow

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

CVE-2026-47642: Use After Free

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

CVE-2026-55898: Out-of-bounds Read

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

CVE-2026-55036: Buffer Over-read

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

CVE-2026-55039: Integer Underflow (Wrap or Wraparound)

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

CVE-2026-58618: Heap-based Buffer Overflow

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

CVE-2026-55899: Stack-based Buffer Overflow

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

CVE-2026-50678: Heap-based Buffer Overflow

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