AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-80098

Microsoft Copilot Studio: privilege escalation

Microsoft

CVE-2026-80098 · Published Sep 3, 2026 · updated Sep 8, 2026

Critical9.3
No fix yet
Microsoft advisory

Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.

Affected versions

PackageAffectedFixed in
Microsoft Copilot Studio
Product
all versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-347

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