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PatchSiren cyber security CVE debrief

CVE-2026-79812 Hewlett Packard Enterprise (HPE) CVE debrief

CVE-2026-79812 is an authenticated local denial-of-service vulnerability in the OnGuard Agent of ClearPass Policy Manager. Successful exploitation could allow an authenticated local attacker to interrupt the normal operation of the agent service. The vulnerability affects ClearPass Policy Manager (CPPM) versions 6.11.0 through 6.14.0. Defenders should assess exposure and potential impact, focusing on verifying system configurations and monitoring system logs for signs of exploitation. The CVE Program and NVD provide official records of the vulnerability, with HPE being the affected vendor.

Vendor
Hewlett Packard Enterprise (HPE)
Product
ClearPass Policy Manager (CPPM)
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-06
Original CVE updated
2026-10-07
Advisory published
2026-10-06
Advisory updated
2026-10-07

Who should care

Defenders responsible for ClearPass Policy Manager (CPPM) systems, particularly those with versions 6.11.0 through 6.14.0, should assess exposure and potential impact.

Why it matters

CVE-2026-79812 is a medium-severity vulnerability in ClearPass Policy Manager (CPPM) that could allow authenticated local attackers to interrupt the normal operation of the OnGuard agent service. Defenders should prioritize verifying exposure, assessing potential impact, and monitoring system logs.

  • Verify exposure and assess potential impact on ClearPass Policy Manager (CPPM) systems
  • Monitor system logs for signs of exploitation
  • Review system configurations to prevent exploitation

Technical summary

A denial of service vulnerability exists in the OnGuard agent of HPE Networking ClearPass Policy Manager. Successful exploitation could allow an authenticated local attacker to interrupt the normal operation of the agent service. The vulnerability affects ClearPass Policy Manager (CPPM) versions 6.11.0 through 6.14.0. Defenders should prioritize verifying exposure and assessing potential impact, focusing on system configurations and monitoring system logs for signs of exploitation.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on systems with ClearPass Policy Manager (CPPM) versions 6.11.0 through 6.14.0.

Recommended defensive actions

  • Verify ClearPass Policy Manager (CPPM) version and assess exposure
  • Review system configurations for potential impact
  • Monitor system logs for signs of exploitation

Evidence notes

The CVE Program and NVD provide official records of the vulnerability. HPE is the affected vendor. Versions 6.11.0 through 6.14.0 are affected. The vulnerability has been verified through official CVE metadata and source-provided details. Defenders should verify exposure and assess potential impact based on official guidance and system configurations. The evidence is grounded in official CVE records and vendor advisories, with limitations in scope and impact assessment based on source

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79812 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79812

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79812 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79812

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.