Critical severity9.3NVD Advisory· Published Aug 7, 2026· Updated Aug 11, 2026
CVE-2026-59118
CVE-2026-59118
Description
Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.
Affected products
2- cpe:2.3:a:microsoft:power_apps:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59118nvdVendor Advisory
News mentions
3- Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilitiesCisco Talos Intelligence · Aug 11, 2026
- Microsoft: 17 Vulnerabilities Patched, Including Four Critical Flaws on August 7Vypr Intelligence · Aug 7, 2026
- August 2026 Patch Tuesday: One Exploited Zero-Day and 62 Critical Vulnerabilities Among 415 CVEsCrowdStrike Blog