CVE-2026-94510
Microsoft Bookings Elevation of Privilege Vulnerability
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Bookings Elevation of Privilege Vulnerability
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-94510- CVSS 3.1
- 9.9 Critical
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 - Weakness
- CWE-639
- Updated
- 2026-11-10
EUVDEUVD-2026-95398
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-95398- CVSS 3.1
- 9.9 Critical
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 - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-cww8-4fq2-2hhj
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized...
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-cww8-4fq2-2hhj- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-639
- Updated
- 2026-11-02
NVD
Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-94510- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-639
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-94510 is a critical vulnerability (CVSS 9.9) in Microsoft Bookings, published October 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.