Vulnerability · Published Oct 8, 2026 · Assigned by microsoft
CVE-2026-94510Microsoft Bookings Elevation of Privilege Vulnerability
Critical 9.9
In plain English
A critical-severity authorization bypass via user-controlled key in Microsoft Bookings from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.6%top 52.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Bookings | - |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C
References
- Microsoft Bookings Elevation of Privilege Vulnerability vendor-advisory, patch