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CVE-2026-44944: iscsiuio control-socket authentication bypass in open-iscsi

CVE-2026-44944 is a vulnerability in iscsiuio control-socket authentication bypass in open-iscsi, rated Important by Microsoft. Microsoft has not reported exploitation in the wild. The EPSS model estimates a 0.09% probability of exploitation activity in the next 30 days, higher than 1% 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-2026-44944
Severity
N/A
Microsoft severity
Important
Exploited in the wild
No
Publicly disclosed
No
Weakness
CWE-863
EPSS
0.09% (percentile 1%)
CISA KEV
Not listed
Released
Last updated
Patch Tuesday
July 2026 Patch Tuesday
Product families
Open Source Software

Affected products (1)

Open Source Software

ProductSecurity updateTypeFixed buildRestart
azl3 iscsi-initiator-utils 2.1.9-1 on Azure Linux 3.0CBL-Mariner ReleasesSecurity Update2.1.12-1No

NIST NVD data

NVD status
Awaiting Analysis
NVD CVSS
8.5 (HIGH)
NVD weakness
CWE-863
Published to NVD
NVD last modified

References

Revision history

VersionDateDescription
1.0Information published.
2.0Information published.

Sources