CVE-2026-58093
An attacker can exploit multiple vulnerabilities in FreeBSD Project FreeBSD OS to escalate privileges and potentially gain root rights, bypass security measures, execute arbitrary code, manipulate or disclose data, or cause denial-of-service conditions.
CSIRTS triage
- What
- Multiple vulnerabilities allow privilege escalation to root, code execution, denial of service, data manipulation, and security bypass.
- Who is affected
- FreeBSD OS installations; specific affected versions not detailed in advisory.
- Urgency
- High severity with multiple exploitation vectors; prioritize patching to prevent privilege escalation.
- Action
- Apply FreeBSD security updates addressing CVE-2026-14457, CVE-2026-18798, CVE-2026-54874, and CVE-2026-58089 through CVE-2026-58093.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] FreeBSD Project FreeBSD OS: Multiple vulnerabilitiescert-bund · 2026-08-26
- highCVE-2026-58093: The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. Afte…nvd · 2026-08-26
External references
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