# Samba vulnerabilities

Source: https://junglewise.ai/threats/technologies/samba  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/samba.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 16 vulnerabilities in Samba: 0 in the last 7 days and 1 in the last 90 days, 4 of them critical and 1 exploited in the wild. The most recent, CVE-2026-109411, was published on 28 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 16 (4 critical, 1 exploited in the wild)

## About Samba

Software suite providing file sharing, print services, and network protocol implementation for Unix-like systems.

## Latest Samba vulnerabilities

- [CVE-2026-109411: Samba access control bypass in vfs_ceph_rgw](https://junglewise.ai/threats/cve-2026-109411-an-access-control-bypass-flaw-was-found-in-samba-s-vfs-ceph-rgw) (high, CVSS 8.1, published 28 Oct 2026)
- [CVE-2026-58224: A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of…](https://junglewise.ai/threats/cve-2026-58224-a-flaw-was-found-in-samba-s-ctdb-the-clustered-database-service) (medium, CVSS 6.5, published 14 Aug 2026)
- [CVE-2026-58216: Samba KDC out-of-bounds read in kpasswd service](https://junglewise.ai/threats/cve-2026-58216-samba-kdc-out-of-bounds-read-in-kpasswd-service) (medium, CVSS 5.3, published 30 Jul 2026)
- [CVE-2026-58218: Samba internal DNS server denial of service via TKEY cache exhaustion](https://junglewise.ai/threats/cve-2026-58218-samba-internal-dns-server-denial-of-service-via-tkey-cache) (medium, CVSS 5.3, published 30 Jul 2026)
- [CVE-2026-15779: Samba pam_winbind denial of service via root directory chown](https://junglewise.ai/threats/cve-2026-15779-samba-pam-winbind-denial-of-service-via-root-directory-chown) (medium, CVSS 6.1, published 15 Jul 2026)
- [CVE-2026-3238: Samba WINS server NULL pointer dereference in Active Directory Domain Controller](https://junglewise.ai/threats/cve-2026-3238-samba-wins-server-null-pointer-dereference-in-active-directory) (high, CVSS 7.5, published 8 Jun 2026)
- [CVE-2026-4408: Samba command injection in check password script](https://junglewise.ai/threats/cve-2026-4408-samba-command-injection-in-check-password-script) (critical, CVSS 9, published 28 May 2026)
- [CVE-2026-2340: Samba vfs_worm file overwrite via rename operation](https://junglewise.ai/threats/cve-2026-2340-samba-vfs-worm-file-overwrite-via-rename-operation) (medium, CVSS 6.5, published 27 May 2026)
- [CVE-2026-1933: Samba missing access check on reparse point operations](https://junglewise.ai/threats/cve-2026-1933-samba-missing-access-check-on-reparse-point-operations) (high, CVSS 7.1, published 27 May 2026)
- [CVE-2026-3012: Samba certificate auto-enrollment improper validation in Group Policy](https://junglewise.ai/threats/cve-2026-3012-samba-certificate-auto-enrollment-improper-validation-in-group) (high, CVSS 8, published 27 May 2026)
- [CVE-2026-4480: Samba remote code execution in printing subsystem](https://junglewise.ai/threats/cve-2026-4480-samba-remote-code-execution-in-printing-subsystem) (high, CVSS 8.5, published 26 May 2026)
- [CVE-2025-10230: Samba command injection in WINS hook handling](https://junglewise.ai/threats/cve-2025-10230-samba-command-injection-in-wins-hook-handling) (critical, CVSS 10, published 7 Nov 2025)
- [CVE-2025-9640: Samba uninitialized memory disclosure in vfs_streams_xattr](https://junglewise.ai/threats/cve-2025-9640-samba-uninitialized-memory-disclosure-in-vfs-streams-xattr) (medium, CVSS 4.3, published 15 Oct 2025)
- [CVE-2017-7494: Samba Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2017-7494-samba-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 30 Mar 2023)
- [CVE-1999-0182: Samba buffer overflow in password handling](https://junglewise.ai/threats/cve-1999-0182-samba-buffer-overflow-in-password-handling) (critical, CVSS 10, published 30 Sep 1997)
- [CVE-1999-0518: Microsoft Windows and Samba guessable NetBIOS/SMB share password](https://junglewise.ai/threats/cve-1999-0518-microsoft-windows-and-samba-guessable-netbios-smb-share-password) (high, CVSS 7.5, published 1 Jan 1997)

## Most severe Samba vulnerabilities

- [CVE-2017-7494: Samba Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2017-7494-samba-remote-code-execution-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 30 Mar 2023)
- [CVE-2025-10230: Samba command injection in WINS hook handling](https://junglewise.ai/threats/cve-2025-10230-samba-command-injection-in-wins-hook-handling) (critical, CVSS 10, published 7 Nov 2025)
- [CVE-1999-0182: Samba buffer overflow in password handling](https://junglewise.ai/threats/cve-1999-0182-samba-buffer-overflow-in-password-handling) (critical, CVSS 10, published 30 Sep 1997)
- [CVE-2026-4408: Samba command injection in check password script](https://junglewise.ai/threats/cve-2026-4408-samba-command-injection-in-check-password-script) (critical, CVSS 9, published 28 May 2026)
- [CVE-2026-4480: Samba remote code execution in printing subsystem](https://junglewise.ai/threats/cve-2026-4480-samba-remote-code-execution-in-printing-subsystem) (high, CVSS 8.5, published 26 May 2026)
- [CVE-2026-109411: Samba access control bypass in vfs_ceph_rgw](https://junglewise.ai/threats/cve-2026-109411-an-access-control-bypass-flaw-was-found-in-samba-s-vfs-ceph-rgw) (high, CVSS 8.1, published 28 Oct 2026)
- [CVE-2026-3012: Samba certificate auto-enrollment improper validation in Group Policy](https://junglewise.ai/threats/cve-2026-3012-samba-certificate-auto-enrollment-improper-validation-in-group) (high, CVSS 8, published 27 May 2026)
- [CVE-2026-3238: Samba WINS server NULL pointer dereference in Active Directory Domain Controller](https://junglewise.ai/threats/cve-2026-3238-samba-wins-server-null-pointer-dereference-in-active-directory) (high, CVSS 7.5, published 8 Jun 2026)
- [CVE-1999-0518: Microsoft Windows and Samba guessable NetBIOS/SMB share password](https://junglewise.ai/threats/cve-1999-0518-microsoft-windows-and-samba-guessable-netbios-smb-share-password) (high, CVSS 7.5, published 1 Jan 1997)
- [CVE-2026-1933: Samba missing access check on reparse point operations](https://junglewise.ai/threats/cve-2026-1933-samba-missing-access-check-on-reparse-point-operations) (high, CVSS 7.1, published 27 May 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 1 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Samba technologies

- [Samba Rsync](https://junglewise.ai/threats/technologies/samba-rsync): 17 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Samba vulnerabilities", https://junglewise.ai/threats/technologies/samba, 13 November 2026.
