https://seclists.org/oss-sec/2026/q2/59: libcap-2.77 (since libcap-2.04) has TOCTOU privilege escalation issue
Published Apr 9, 2026
·Updated
Affected Software
1 affected component
libcap libcap>=2.04<=2.77
Frequently Asked Questions
1
What is the severity of CVE-2026-XXXX?
The severity of CVE-2026-XXXX is classified as high due to its potential for privilege escalation.
2
How do I fix CVE-2026-XXXX?
To fix CVE-2026-XXXX, update to libcap version 2.78 or later.
3
What systems are affected by CVE-2026-XXXX?
CVE-2026-XXXX affects all versions of libcap prior to 2.78.
4
Can CVE-2026-XXXX be exploited remotely?
CVE-2026-XXXX requires local access to a system to exploit the privilege escalation vulnerability.
5
What is the nature of the CVE-2026-XXXX vulnerability?
CVE-2026-XXXX is a time-of-check to time-of-use (TOCTOU) vulnerability that enables privilege escalation.