CVE-2026-62918

Microsoft Teams Spoofing Vulnerability

Published Aug 6, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Title Microsoft Teams Spoofing Vulnerability
First Time appeared Microsoft
Microsoft teams
Weaknesses CWE-347
CPEs cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft teams
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 9:57 PM
Reserved
Jul 14, 2026, 9:25 PM
Status
Analyzed
Published
Aug 7, 2026, 12:16 AM
Modified
Oct 24, 2026, 4:10 PM