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CVE-2025-26508: Certain HP LaserJet Pro, HP LaserJet Enterprise, and HP LaserJet Managed Printers may potentially be vulnerabl

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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE

CVE-2025-26508 is a critical-severity flaw (CVSS 9.8) affecting futuresmart 3, futuresmart 4, futuresmart 5. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.0% (top 38%)
CISA exploited listNo
WeaknessCWE-787
Published2025-02-14
Last modified2026-06-17
Publisher (CNA): HP Inc. · Vendor: hp

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

hp futuresmart 3 UPGRADE
Affected: < 2309118_002276 · < 2309118_002274 · < 2309118_002275
Fixed in: 2309118_002274, 2309118_002275, 2309118_002276
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp futuresmart 4 UPGRADE
Affected: < 2411278_068111 · < 2411278_068112 · < 2411278_068114 · < 2411278_068113
Fixed in: 2411278_068111, 2411278_068112, 2411278_068113, 2411278_068114
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp futuresmart 5 UPGRADE
Affected: < 2508402_000090 · < 2508125_000009 · < 2508402_000058 · < 2508402_000098 · < 2508402_000106 · < 2508402_000072 · < 2508402_000067 · < 2508402_000117
Fixed in: 2508125_000001, 2508125_000002, 2508125_000003, 2508125_000004, 2508125_000006, 2508125_000007, 2508125_000009, 2508125_000010, 2508125_000011, 2508125_000012, 2508402_000052, 2508402_000053, 2508402_000055, 2508402_000056, 2508402_000057, 2508402_000058, 2508402_000063, 2508402_000064, 2508402_000067, 2508402_000068, 2508402_000071, 2508402_000072, 2508402_000073, 2508402_000075, 2508402_000081, 2508402_000082, 2508402_000084, 2508402_000087, 2508402_000088, 2508402_000089, 2508402_000090, 2508402_000096, 2508402_000097, 2508402_000098, 2508402_000101, 2508402_000103, 2508402_000106, 2508402_000111, 2508402_000114, 2508402_000116, 2508402_000117, 2508402_000119, 2508402_000122, 2508402_000123, 2508402_000172
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp 499m7a firmware UPGRADE
Affected: < 6.17.5.34-202412122146
Fixed in: 6.17.5.34-202412122146
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp 499m8a firmware UPGRADE
Affected: < 6.17.5.34-202412122146
Fixed in: 6.17.5.34-202412122146
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp 499m9a firmware UPGRADE
Affected: < 6.17.5.34-202412122146
Fixed in: 6.17.5.34-202412122146
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-26508?

futuresmart 3: upgrade to 2309118_002274, 2309118_002275, 2309118_002276; futuresmart 4: upgrade to 2411278_068111, 2411278_068112, 2411278_068113, 2411278_068114; futuresmart 5: upgrade to 2508125_000001, 2508125_000002, 2508125_000003, 2508125_000004, 2508125_000006, 2508125_000007, 2508125_000009, 2508125_000010, 2508125_000011, 2508125_000012, 2508402_000052, 2508402_000053, 2508402_000055, 2508402_000056, 2508402_000057, 2508402_000058, 2508402_000063, 2508402_000064, 2508402_000067, 2508402_000068, 2508402_000071, 2508402_000072, 2508402_000073, 2508402_000075, 2508402_000081, 2508402_000082, 2508402_000084, 2508402_000087, 2508402_000088, 2508402_000089, 2508402_000090, 2508402_000096, 2508402_000097, 2508402_000098, 2508402_000101, 2508402_000103, 2508402_000106, 2508402_000111, 2508402_000114, 2508402_000116, 2508402_000117, 2508402_000119, 2508402_000122, 2508402_000123, 2508402_000172. Exact commands for each OS are on this page.

Is CVE-2025-26508 being exploited?

CVE-2025-26508 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-26508 affect?

CVE-2025-26508 affects futuresmart 3, futuresmart 4, futuresmart 5. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2025-26508?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

References

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