CVE-2026-65667

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

CVSS 3.1

10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

EPSS

0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-08-07

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• microsoft:teams

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65667

Check your stackJSON