CVE-2026-69865 Microsoft Container Registry - Authorization Bypass

Microsoft Container Registry contains an authorization bypass caused by user-controlled key manipulation, letting unauthorized attackers elevate privileges over a network, exploit requires network access.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.80% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Update to the latest version of Microsoft Container Registry.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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