CVE-2026-40367
8.4 HIGHAccess of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code lo...
Published: 2026-05-12 · Last updated: 2026-06-01
Severity and scoring
- CVSS
- 8.4 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-822
Affected products
| Vendor | Product |
|---|---|
| microsoft | 365_apps, office, office_long_term_servicing_channel |
Description
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Source: NVD
References
Related CVEs
Same vendor
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- CVE-2026-50507 — Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack (6.8 MEDIUM)
- CVE-2026-49161 — Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally (7.8 HIGH)
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Same CWE
- CVE-2026-45645 — Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally (7.8 HIGH)
- CVE-2026-45643 — Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally (7.8 HIGH)
- CVE-2026-45471 — Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally (7.8 HIGH)
- CVE-2026-44805 — Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally (5.5 MEDIUM)
- CVE-2026-8835 — IBM HTTP Server 8.5, and 9.0 is vulnerable to invalid pointer dereference (7.3 HIGH)