CVE-2026-6566710.0CriticalCWE-862
CVE-2026-65667: Microsoft Teams vulnerability
Microsoft · Microsoft Teams
Vendor fix available · Affected: Microsoft Teams · Exploitation: not checked yet
ExploitationNot checked yet
Not in CISA KEV as of catalogue 2026.11.04 (4 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
0.8%probability of exploitation in the next 30 days
56th percentile
050100
Higher than 56% of scored CVEs
10.0CriticalCVSS 3.1
LowMediumHighCrit.
DescriptionNVD
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
Coverage1 article · 1 outlet
First in our coverage: SecurityWeek, 7 Aug.
- Microsoft, Apple issue patches for critical RCE and auth bypassSecurityWeek · first in our coverage · mentions it in passing
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