CVE-2026-45486
CWE-416Published: June 9, 2026· Updated: Jun 11, 2026
Official Description
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Technical Analysis
CVE-2026-45486 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (1)
Quick Facts
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-45486 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts