CVE-2026-94510

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

Scores

CVSS out of 10, critical severity.

EPSS chance of exploitation in the next 30 days.

Published

8 October 2026

Last changed

10 October 2026

NVD status

Awaiting Analysis

Severity

Critical, CVSS 9.9 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L

Weakness

Known exploited

Not in the CISA Known Exploited Vulnerabilities catalogue in this build.

EPSS

0.4% chance of exploitation activity in the next 30 days (percentile 33).

Not yet. Securelyn writes plain-English advisories for the flaws that matter most to businesses. Subscribe to the digest to hear about them.