What is CVE-2026-55480?

CVE-2026-55480 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. CUPS copy_model() creates a predictable PPD tempfile without O_EXCL/O_NOFOLLOW (symlink TOCTOU, lp → root)

Which CVE IDs does CVE-2026-55480 cover?

CVE-2026-55480 covers the following CVE IDs: CVE-2026-55480. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-55480?

CVE-2026-55480 has a CVSS v3 base score of 5.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-55480?

CVE-2026-55480 affects 1 product, including: azl3 cups 2.4.19-1 on Azure Linux 3.0.

CVE-2026-55480MediumCVSS 5.7

CUPS copy_model() creates a predictable PPD tempfile without O_EXCL/O_NOFOLLOW (symlink TOCTOU, lp → root)

Vendor

Microsoft Security Response Center (MSRC)

Published

October 17, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-55480 →

🎯 Affected products1

azl3 cups 2.4.19-1 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55480
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade