Microsoft Teams Elevation of Privilege Vulnerability (Microsoft Microsoft Teams)

CVE-2026-65667
CRITICAL 10.0

At a glance

Source
NVD
EPSS
EPSS 0.80 % Β· percentile 57 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

Weaknesses (CWE)

  • CWE-862 β€” Missing Authorization

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NNVD Β· secure@microsoft.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft Β· Microsoft Teamsaffected -

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD