Description
Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
Published: 2026-05-12
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

Tue, 19 May 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft office
Microsoft office Long Term Servicing Channel
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:-:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*
Vendors & Products Microsoft office
Microsoft office Long Term Servicing Channel

Wed, 13 May 2026 10:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 12 May 2026 17:30:00 +0000

Type Values Removed Values Added
Description Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Title Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Weaknesses CWE-416
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft 365 Apps Office Office 2019 Office 2021 Office 2024 Office Long Term Servicing Channel
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-19T16:12:59.110Z

Reserved: 2026-04-13T00:27:50.799Z

Link: CVE-2026-40418

cve-icon Vulnrichment

Updated: 2026-05-13T09:58:24.663Z

cve-icon NVD

Status : Modified

Published: 2026-05-12T18:17:19.940

Modified: 2026-06-17T10:45:17.577

Link: CVE-2026-40418

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:00:15Z

Weaknesses