CVE-2026-69901
Microsoft Teams for Android Spoofing Vulnerability
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Teams for Android Spoofing Vulnerability
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2026-69901- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-346
- Updated
- 2026-11-10
EUVDEUVD-2026-121983
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.
- Record
EUVD-2026-121983- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-chf7-xqpv-r345
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform...
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.
- Record
GHSA-chf7-xqpv-r345- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-346
- Updated
- 2026-11-10
NVD
Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2026-69901- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-346
- Updated
- 2026-11-11
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-69901 is a high vulnerability (CVSS 7.5) in Microsoft Teams For Android, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.