Microsoft Teams Remote Code Execution Vulnerability
Priority MEDIUM 40CWE-94Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
Microsoft Teams Remote Code Execution Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01862 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-17091
- 2026-10-03 Alias added: GHSA-qg4c-rjgj-mr82
More Microsoft Teams vulnerabilities
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2024-28020 Improper signature verification in Microsoft Teams CVSS 3.1CRITICAL 9.8
- TI-2024-25478 Microsoft Teams for iOS Spoofing Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2026-46812 Microsoft Teams Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-46862 Microsoft Teams Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-27489 Improper signature verification in Microsoft Teams CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-17091 · CVE Program
- CVE-2020-17091 · NVD
- FIRST EPSS
- GHSA-qg4c-rjgj-mr82 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences