CVE-2018-1116

What it is

A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. Limited direct impact.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2018-07-10 19:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 01:50 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.2% in the next 30 days (EPSS).
• Severity: 4.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2018-07-10 19:29 UTC

Last modified

2026-06-17 01:50 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-285

Record status

Modified

Affected

• Debian Linux 8.0
• Canonical Ubuntu Linux 12.04
• Polkit Project Polkit < 0.115

Attack profile CVSS 3.1 · 4.4

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-1116.md and follow it. Check whether this project is affected by CVE-2018-1116. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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