CVE-2026-65667

Microsoft Teams Elevation of Privilege Vulnerability

Published Aug 6, 2026 CVSS 3.1 · 10 Critical EPSS < 1% KEV · Not listed
Description
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft Teams Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft teams
Weaknesses CWE-862
CPEs cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft teams
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 10:01 PM
Reserved
Jul 22, 2026, 6:16 PM
Status
Analyzed
Published
Aug 7, 2026, 12:16 AM
Modified
Oct 24, 2026, 4:10 PM