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

CVE-2026-16313 is a vulnerability in Sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export, rated Moderate by Microsoft, with a CVSS 3.1 base score of 7.5 (High). An attacker can exploit it by an attacker with physical access, without any privileges and without user interaction. Microsoft has not reported exploitation in the wild. The EPSS model estimates a 0.35% probability of exploitation activity in the next 30 days, higher than 29% of all scored vulnerabilities. Microsoft released the fix on 6 August 2026, outside Patch Tuesday. It affects 1 product in 1 product family (Open Source Software).

Key facts

CVE ID
CVE-2026-16313
Severity
High CVSS 7.5
Microsoft severity
Moderate
Exploited in the wild
No
Publicly disclosed
No
Weakness
CWE-93
EPSS
0.35% (percentile 29%)
CISA KEV
Not listed
Released
Last updated
Patch Tuesday
July 2026 Patch Tuesday
Product families
Open Source Software

CVSS score and vector

Microsoft scores CVE-2026-16313 at 7.5 (temporal 6.9) using CVSS 3.1. Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L/E:U

MetricValue
Attack vectorPhysical
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactLow
Exploit code maturityUnproven

NVD scores it 7.6 (HIGH) with CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products (1)

Open Source Software

ProductSecurity updateTypeFixed buildRestart
azl3 sg3_utils 1.48-1 on Azure Linux 3.0Release NotesSecurity Update

NIST NVD data

NVD status
Awaiting Analysis
NVD CVSS
7.6 (HIGH)
NVD weakness
CWE-93
Published to NVD
NVD last modified

References

Revision history

VersionDateDescription
1.0Information published.
2.0Information published.
3.0Information published.

Sources