Disclosure summary
OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup
Source-reported weakness categories
CWE-863
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Apr
Open original source · Updated Sep 24, 2026
OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 cups 2.4.16-1 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 cups 2.3.3op2-11 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 cups 2.3.3op2-11 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 2.4.17-1 · product IDs 20737-17084
- Vendor guidance · product IDs 20737-17084
- Release Notes · product IDs 20768-21692
- Vendor guidance · product IDs 20768-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-04T21:01:39-04:00
MODIFIED 2026-09-24T22:27:55-04:00
INGESTED 2026-10-08T12:40:42-04:00