What is CVE-2026-34980?

CVE-2026-34980 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network

Which CVE IDs does CVE-2026-34980 cover?

CVE-2026-34980 covers the following CVE IDs: CVE-2026-34980. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-34980?

CVE-2026-34980 affects 3 products, including: azl3 cups 2.4.16-1 on Azure Linux 3.0; cbl2 cups 2.3.3op2-11 on CBL Mariner 2.0; cbl2 cups 2.3.3op2-11 on CBL-Mariner 2.0.

CVE-2026-34980Medium

OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34980 →

🎯 Affected products3

azl3 cups 2.4.16-1 on Azure Linux 3.0
cbl2 cups 2.3.3op2-11 on CBL Mariner 2.0
cbl2 cups 2.3.3op2-11 on CBL-Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 2.4.17-1 KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34980
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade