Microsoft Teams vulnerabilities

7 vulnerabilities

Known vulnerabilities in Microsoft Teams, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.8CVE-2020-17091microsoftmicrosoft teams+1
EPSS score
1.88%
Microsoft Teams Remote Code Execution Vulnerability8.2CVE-2026-21535microsoftmicrosoft teams+1
EPSS score
0.65%
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network.10CVE-2026-65667microsoftmicrosoft teams+1
EPSS score
0.80%
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.9.6CVE-2026-62896microsoftmicrosoft teams+1
EPSS score
0.69%
Improper authentication in Microsoft Teams allows an authorized attacker to elevate privileges over a network.7.5CVE-2026-62918microsoftmicrosoft teams+1
EPSS score
0.50%
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.9.6CVE-2026-33823microsoftmicrosoft teams+1
EPSS score
0.86%
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.6.5CVE-2023-24881microsoftmicrosoft teams+1
EPSS score
1.50%
Microsoft Teams Information Disclosure Vulnerability