Intel

CVE-2026-94510

Eine Schwachstelle zur Umgehung der Autorisierung durch einen von Benutzern kontrollierten Schlüssel in Microsoft Bookings ermöglicht es …

criticalEPSS 0.4%

Description

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

Source: cvelistv5NVD (NIST)Microsoft Security Update Guide

Metrics

XIEM Effective CVSS
9.9
Source: nvd-v3
EPSS percentile
32.4 %
Elevated — this CVE ranks above at least 10% of all CVEs scored today.
KEV status
—
Show all metrics
Severity
critical
Priority score
87.89
Exploit maturity
no public PoC known
CVSS v3
9.9
EPSS score
0.4 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-10-08 22:15 UTC
CWE
CWE-639

Weakness classes (CWE)

  • CWE-639Base

    Authorization Bypass Through User-Controlled Key

    The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-10-10 04:18 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-94510","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
    • SSVC: {"id":"CVE-2026-94510","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
  2. CVE Modified2026-10-09 15:17 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-94510","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
  3. New CVE Received2026-10-08 23:17 UTC· secure@microsoft.com
    • Tag: exclusively-hosted-service
    • Description: Authorization bypass through user-controlled key in Microsoft Bookings allows an unauthorized attacker to elevate privileges over a network.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L
    • CWE: CWE-639