7.5
High
CVE-2026-62918 Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform…
Description
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Teams | Versions not published |
Other CVEs of Microsoft Teams
The 7 CVEs of Microsoft Teams →
CVE-2026-65667
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network
10.0
Critical
CVE-2026-62896
Improper authentication in Microsoft Teams allows an authorized attacker to elevate privileges over a network
9.6
Critical
CVE-2026-33823
Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network
9.6
Critical
CVE-2026-21535
Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network
8.2
High