Microsoft Office Ltsc 2021 vulnerabilities

CVE-2026-40361 [HIGH] CWE-416 CVE-2026-40361: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-35436 [HIGH] CWE-1220 CVE-2026-35436: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

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-2026-40363 [HIGH] CWE-122 CVE-2026-40363: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-40418 [HIGH] CWE-416 CVE-2026-40418: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

CVE-2026-40367 [HIGH] CWE-822 CVE-2026-40367: 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-2026-40420 [HIGH] CWE-284 CVE-2026-40420: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

CVE-2026-40358 [HIGH] CWE-416 CVE-2026-40358: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-40362 [HIGH] CWE-122 CVE-2026-40362: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-40366 [HIGH] CWE-416 CVE-2026-40366: 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-2026-40360 [HIGH] CWE-125 CVE-2026-40360: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-40359 [HIGH] CWE-416 CVE-2026-40359: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-40419 [HIGH] CWE-416 CVE-2026-40419: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

CVE-2026-35440 [MEDIUM] CWE-552 CVE-2026-35440: Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-40421 [MEDIUM] CWE-73 CVE-2026-40421: Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVE-2026-32190 [HIGH] CWE-416 CVE-2026-32190: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-32200 [HIGH] CWE-416 CVE-2026-32200: Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locall Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

CVE-2026-33095 [HIGH] CWE-416 CVE-2026-33095: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-33115 [HIGH] CWE-416 CVE-2026-33115: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-32198 [HIGH] CWE-416 CVE-2026-32198: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.