CVE-2026-62918: Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-62918
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-62918 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Improper verification of
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-62873: Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unaut…nvd · 2026-08-07
- criticalCVE-2026-7557: An improper verification of cryptographic signature vulnerability in the SAML authentication mo…nvd · 2026-08-05
- highCVE-2026-55735: Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticat…nvd · 2026-08-01
- mediumCVE-2026-13305: Autel MaxiCharger AC Elite Home Software Update Improper Verification of Cryptographic Signatu…nvd · 2026-07-29
- highCVE-2026-14837: Multiple Lenze products are affected by an improper signature verification vulnerability in th…nvd · 2026-07-27
- highCVE-2026-64623: Network-AI before 5.13.4 contains an improper cryptographic signature verification vulnerabili…nvd · 2026-07-20
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