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VULNERABILITIES

CVE-2026-45486 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45486 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

ProductVersions
microsoft 365 apps
All versions

CPE

  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
  • cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*

Remediation

  • No remediation found in references.
microsoft microsoft 365
All versions

CPE

  • cpe:2.3:a:microsoft:microsoft_365:-:*:*:*:*:macos:*:*

Remediation

  • No remediation found in references.
microsoft office 2021
All versions

CPE

  • cpe:2.3:a:microsoft:office_2021:-:*:*:*:ltsc:macos:-:*

Remediation

  • No remediation found in references.
microsoft office 2024
All versions

CPE

  • cpe:2.3:a:microsoft:office_2024:-:*:*:*:ltsc:macos:-:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-45486
NVD Published Date:
Jun 9, 2026
NVD Last Modified:
Jul 23, 2026
Source:
[email protected]