What’s Vulnerable › Vulnerabilities
CVE-2026-59118: Copilot Cowork Elevation of Privilege Vulnerability
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-06 · updated 2026-10-30
- Weakness: CWE-285
Description
Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.
Affected products
- Microsoft Power Apps: all versions
- Microsoft Copilot Cowork: all versions
References
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