CVE-2026-87876

Low

Description

Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler (printer ACL validation and private-attribute filtering) could allow bypass of username-based access controls in certain configurations.

SeverityLow
CVSS3.0
Exploit probability—
ProductMicrosoft Azl3 Cups
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-178CWE-178

How to fix

Affected products

ProductAffected versionsFixed in
microsoft azl3_cups_2.4.19-1No range specified—
microsoft azl3_cups_2.4.19-2No range specified—

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