Description
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Teams | - | — |
Advisories 3
- WID-SEC-2026-2692 Microsoft Office: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 5, 2026
- NCSC-2026-0286 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Aug 27, 2026
- MSRC-CVE-2026-62918 Microsoft Teams Spoofing Vulnerability Microsoft Security Response Center · Aug 6, 2026
References
- Microsoft Teams Spoofing Vulnerability vendor-advisory patch