Microsoft Office Ltsc 2021 vulnerabilities

CVE-2026-97754 [HIGH] CWE-122 CVE-2026-97754: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-88196 [HIGH] CWE-122 CVE-2026-88196: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

CVE-2026-40364 [HIGH] CWE-122 CVE-2026-40364: Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an una Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-97745 [HIGH] CWE-416 CVE-2026-97745: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-100212 [HIGH] CWE-416 CVE-2026-100212: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-70268 [HIGH] CWE-122 CVE-2026-70268: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-70302 [HIGH] CWE-122 CVE-2026-70302: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-70287 [HIGH] CWE-122 CVE-2026-70287: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-70301 [HIGH] CWE-122 CVE-2026-70301: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-97738 [HIGH] CWE-416 CVE-2026-97738: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97746 [HIGH] CWE-191 CVE-2026-97746: Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97762 [HIGH] CWE-787 CVE-2026-97762: Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code over a Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-88186 [HIGH] CWE-122 CVE-2026-88186: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-97775 [HIGH] CWE-400 CVE-2026-97775: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97010 [HIGH] CWE-416 CVE-2026-97010: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97772 [HIGH] CWE-415 CVE-2026-97772: Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-81955 [HIGH] CWE-122 CVE-2026-81955: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execut Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2026-97739 [HIGH] CWE-122 CVE-2026-97739: Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-69671 [HIGH] CWE-122 CVE-2026-69671: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-78505 [HIGH] CWE-122 CVE-2026-78505: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.