CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Samba Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious client to upload a shared library to a writable share, and then cause the server to load and execute it.
Affected products
samba: samba; debian: debian linux
References10
- www.samba.org/samba/security/CVE-2017-7494.html PatchVendor Advisory
- www.samba.org/samba/security/CVE-2017-7494.html PatchVendor Advisory
- www.debian.org/security/2017/dsa-3860 Third Party Advisory
- www.securityfocus.com/bid/98636 Third Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038552 Third Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:1270 Third Party Advisory
- access.redhat.com/errata/RHSA-2017:1271 Third Party Advisory
- access.redhat.com/errata/RHSA-2017:1272 Third Party Advisory
- access.redhat.com/errata/RHSA-2017:1273 Third Party Advisory
- access.redhat.com/errata/RHSA-2017:1390 Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 99% percentile: 100 · as of 8 November 2026
- CWE
- CWE-94
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