CVE-2018-14438

7.5 highEPSS 1.2%

High (7.5) in wireshark wireshark. EPSS 1.2% chance of exploitation in the next 30 days.

In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.

Severity

CVSS 3.0

7.5 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2018-07-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wireshark:wireshark

References

http://www.securityfocus.com/bid/104876
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921
http://www.securityfocus.com/bid/104876
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921

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