What’s Vulnerable › Vulnerabilities
CVE-2026-80098: Copilot Studio Elevation of Privilege Vulnerability
- Severity: critical (CVSS 10.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-03 · updated 2026-09-08
- Weakness: CWE-347
Description
Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.
Affected products
- Microsoft Copilot Studio: all versions
References
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