CVE-2026-79808 ClearPass Policy Manager - Buffer Overflow

ClearPass Policy Manager contains a buffer overflow caused by improper handling in the OnGuard agent, letting authenticated local users execute arbitrary code with elevated privileges or cause denial of service.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-120

Vendor fix

Update to the latest version of ClearPass Policy Manager.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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