Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2026-85498
high Nessus Plugin ID 342766
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Synopsis
The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.Description
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.- Debian Linux - policykit-1 - None Red Hat Enterprise Linux - polkit: Regression in CVE-2026-4897 fix (polkit read_cookie()) - stack buffer underflow Ubuntu Linux - [Regression in CVE-2026-4897 fix (polkit read_cookie()) - stack buffer underflow] (CVE-2026-85498)
Note that Nessus relies on the presence of the package as reported by the vendor.
Solution
There is no known solution at this time.See Also
https://access.redhat.com/security/cve/cve-2026-85498
Plugin Details
Severity: High
ID: 342766
File Name: unpatched_CVE_2026_85498.nasl
Version: 1.5
Type: Local
Agent: unix
Family: Misc.
Published: 9/4/2026
Updated: 9/15/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.22
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2026-85498
CVSS v3
Risk Factor: High
Base Score: 8.4
Temporal Score: 7.7
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:policykit-1, p-cpe:/a:centos:centos:polkit-desktop-policy, p-cpe:/a:centos:centos:polkit-devel, p-cpe:/a:centos:centos:polkit-docs, p-cpe:/a:centos:centos:polkit-gnome-devel, p-cpe:/a:centos:centos:polkit-gnome-docs, p-cpe:/a:centos:centos:polkit-gnome, p-cpe:/a:centos:centos:polkit-kde, p-cpe:/a:centos:centos:polkit-libs, p-cpe:/a:centos:centos:polkit-pkla-compat, p-cpe:/a:centos:centos:polkit-qt-devel, p-cpe:/a:centos:centos:polkit-qt-doc, p-cpe:/a:centos:centos:polkit-qt, p-cpe:/a:centos:centos:polkit, p-cpe:/a:debian:debian_linux:policykit-1, p-cpe:/a:redhat:enterprise_linux:polkit-desktop-policy, p-cpe:/a:redhat:enterprise_linux:polkit-devel, p-cpe:/a:redhat:enterprise_linux:polkit-docs, p-cpe:/a:redhat:enterprise_linux:polkit-gnome-devel, p-cpe:/a:redhat:enterprise_linux:polkit-gnome-docs, p-cpe:/a:redhat:enterprise_linux:polkit-gnome, p-cpe:/a:redhat:enterprise_linux:polkit-kde, p-cpe:/a:redhat:enterprise_linux:polkit-libs, p-cpe:/a:redhat:enterprise_linux:polkit-pkla-compat, p-cpe:/a:redhat:enterprise_linux:polkit-qt-devel, p-cpe:/a:redhat:enterprise_linux:polkit-qt-doc, p-cpe:/a:redhat:enterprise_linux:polkit-qt, p-cpe:/a:redhat:enterprise_linux:polkit
Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Ease: No known exploits are available
Reference Information
CVE: CVE-2026-85498