CVE-2026-21535
moderate-risk
Published 2026-02-19
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.
Do I need to act?
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0.09% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (1)
33
/ 100
moderate-risk
Severity
28/34 · Critical
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal