CVE-2025-26506: HP 499m6a Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Certain HP LaserJet Pro, HP LaserJet Enterprise, and HP LaserJet Managed Printers may potentially be vulnerable to Remote Code Execution and Elevation of Privilege when processing a PostScript print job.

Affected products

• HP 499m6a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499m7a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499m8a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499m9a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499n0a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499n1a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499n4a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499n5a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499n6a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q3a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q3e Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q3f Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q4e Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q4f Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q5a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q5e Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q5f Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q5fr Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q6a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q6e Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q6f Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q7a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q7e Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q7f Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• HP 499q8a Firmware: before 6.17.5.34-202412122146 (fixed in 6.17.5.34-202412122146)
• and 70 more

Published 2025-02-14. Last modified 2026-06-17.