Quick answers
- Is CVE-2026-91098 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91098 being exploited in the wild.
- How severe is CVE-2026-91098?
- Critical severity, with a CVSS score of 9.8, published 16 September 2026.
- Which products and versions are affected?
- HP HPLIP.
- Is there a fix for CVE-2026-91098?
- A patch was published on 2026-09-16. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-91098 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-91098?
- Check whether you run HPLIP, Hp Linux Imaging or Hp Printing. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
HP HPLIP contains multiple externally reported vulnerabilities across several software components. The issues enable remote code execution, privilege escalation, denial of service, information disclosure, and unauthorized file modification under certain conditions. While the specific root causes and attack vectors are not detailed in the advisory summary, the CVSS 9.8 score indicates a critical network-accessible vulnerability requiring minimal or no preconditions. HP has identified and patched these issues; affected users should apply available remediation through official HP support channels.
Affected products
- HP HPLIP
Timeline
- 2026-09-16: disclosed
- 2026-09-16: patched