CVE-2020-17091: high-severity vulnerability in Microsoft Teams
Microsoft Teams Remote Code Execution Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 1.9%
Microsoft Teams Remote Code Execution Vulnerability
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft TeamsRelated CVEs — Microsoft Teams
In the same product, most dangerous first.
CVE-2023-24881MEDIUMMicrosoft Teams Information Disclosure VulnerabilityEPSS 1.5%CVE-2026-65667CRITICALMicrosoft Teams Elevation of Privilege VulnerabilityEPSS 0.8%CVE-2026-33823CRITICALMicrosoft Team Events Portal Information Disclosure VulnerabilityEPSS 0.7%CVE-2026-62896CRITICALMicrosoft Teams Elevation of Privilege VulnerabilityEPSS 0.7%CVE-2026-21535HIGHMicrosoft Teams Information Disclosure VulnerabilityEPSS 0.7%CVE-2026-62918HIGHMicrosoft Teams Spoofing VulnerabilityEPSS 0.5%