CVE-2026-16313: Sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export

highCVSS 7.5CVE-2026-16313

CSIRTS triage

vendor: sg3-utils product: sg3-utils Code injection

What: Arbitrary command execution via udev property injection through the sg_inq --export option.
Who is affected: Systems using sg3-utils with the sg_inq command exposed to untrusted input through udev properties.
Urgency: High severity (CVSS 7.5); udev property injection is a common privilege escalation vector.
Action: Update sg3-utils to a patched version that sanitizes udev property input to sg_inq.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-16313

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-163130.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-16313	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Sg3_utils

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[UPDATE] [medium] Red Hat Enterprise Linux (sg3_utils): Vulnerability enables execution of arbitrary program c…cert-bund · 2026-08-19
highCVE-2026-16313: A flaw was found in sg3_utils. The sg_inq command, when invoked with the --export option, outp…nvd · 2026-07-28