VDB
CVE-2026-20833
CVE-2026-20833
PUBLISHED
CVSS 9.300000190734863 CRITICAL
Samba ist eine Open Source Software Suite, die Druck- und Dateidienste für SMB/CIFS Clients implementiert.
EPSS 0.48% · 39.1th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.48%
39.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Windows Server 2025 | |
| Microsoft | Microsoft Windows 10 Version 1809 | |
| Hitachi | Hitachi Storage | |
| Microsoft | Microsoft Windows 11 Version 24H2 | |
| Microsoft | Microsoft Windows 10 Version 22H2 | |
| Open Source | Open Source Samba <4.24.0 | |
| Microsoft | Microsoft Windows Server 2016 | |
| Microsoft | Microsoft Windows Server 2012 R2 | |
| Microsoft | Microsoft Windows Server 2008 R2 SP1 | |
| Microsoft | Microsoft Windows Server 2022 23H2 Edition | |
| Microsoft | Microsoft Windows Server 2012 | |
| Microsoft | Microsoft Windows Server 2019 | |
| Microsoft | Microsoft Windows 11 Version 25H2 | |
| Microsoft | Microsoft Windows 10 Version 21H2 | |
| Microsoft | Microsoft Windows 11 Version 23H2 | |
| Microsoft | Microsoft Windows Server 2022 | |
| Microsoft | Microsoft Windows 10 Version 1607 | |
| Microsoft | Microsoft Windows Server 2008 SP2 |
Timeline
- Jan 13, 2026 CVE Published
- Jan 14, 2026 EPSS Score
- Jan 17, 2026 EPSS Score
- Jan 20, 2026 EPSS Score
- Jan 23, 2026 EPSS Score
- Jan 26, 2026 EPSS Score
- Jan 29, 2026 EPSS Score
- Feb 1, 2026 EPSS Score
- Feb 4, 2026 EPSS Score
- Feb 7, 2026 EPSS Score
- Feb 10, 2026 EPSS Score
- Feb 13, 2026 EPSS Score
References
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0083.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0083 advisory
- https://msrc.microsoft.com/update-guide/ advisory
- https://cymulate.com/blog/kerberos-authentication-relay-via-cname-abuse/ advisory
- https://www.hitachi.com/products/it/storage-solutions/sec_info/2026/01.html advisory
- https://github.com/oxfemale/CVE-2026-20817 advisory
- https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0780.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0780 advisory
- https://www.samba.org/samba/history/samba-4.24.0.html advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-20833 advisory