CVE-2026-49414

highCVSS 7.8covered by 1 sourcefirst seen 2026-06-27

The ELF image activator cleared per-process ASLR preference flags for setuid binaries after the code that computes the PIE base address, rather than before. As a result, a user-requested ASLR disable was still in effect at the point where the base address was chosen. An unprivileged local user can disable ASLR for a setuid PIE binary by calling procctl(2) before execve(2). This makes exploitation of any separate memory corruption vulnerability in that binary significantly easier.

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Exploitation outlook

Low exploitation risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-49414: The ELF image activator cleared per-process ASLR preference flags for setuid binaries after th…nvd · 2026-06-27

External references

NVD record for CVE-2026-49414

CVE.org record

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