Is there a public exploit for CVE-2026-85498?

No public exploit for CVE-2026-85498 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-85498?

CVE-2026-85498 scores CVSS 3.5 (v3.1), rated low.

3.5 Low

A flaw was found in polkit.

CVE-2026-85498

A flaw was found in polkit. When processing input that begins with a null byte, an arithmetic error in the authentication agent helper causes an integer underflow during buffer length calculation, resulting in an out-of-bounds memory read. An attacker capable of supplying crafted input can trigger this flaw, potentially causing an application crash and resulting in a Denial of Service (DoS).

Assessment

CVSS: 3.5 (v3.1)
Severity: Low
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 29 October 2026
Last updated: 30 October 2026
Weakness: CWE-125
Assigner: secalert@redhat.com

CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

At the source

References

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