CVE-2026-94510CWE-639

CVE-2026-94510

Critical · published October 9, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
33.3
In the wild
Unconfirmed
What it is

Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00402 · 33.3th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-09T03:17Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-94510 · [email protected]
EPSS history
Timeline
  • 10 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 08 OCT 22:15Z
    Microsoft Bookings Elevation of Privilege Vulnerability
    cvelistv5
  • 08 OCT 22:15Z
    Microsoft Bookings Elevation of Privilege Vulnerability
    cvelistv5