CVE-2023-49147

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-19 · updated 2026-06-17

Description

An issue was discovered in PDF24 Creator 11.14.0. The configuration of the msi installer file was found to produce a visible cmd.exe window when using the repair function of msiexec.exe. This allows an unprivileged local attacker to use a chain of actions (e.g., an oplock on faxPrnInst.log) to open a SYSTEM cmd.exe.

Affected products

Pdf24 Creator: before 11.15.2 — fixed in 11.15.2

How to fix

Upgrade to a fixed version: Pdf24 Creator 11.15.2. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/176206/PDF24-Creator-11.15.1-Local-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2023/Dec/18
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-msi-installer-in-pdf24-creator-geek-software-gmbh/
http://packetstormsecurity.com/files/176206/PDF24-Creator-11.15.1-Local-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2023/Dec/18
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-msi-installer-in-pdf24-creator-geek-software-gmbh/

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