Description
Windows Kerberos Elevation of Privilege Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 – < 6.0.6003.22317 | 6.0.6003.22317 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 – < 6.1.7601.26769 | 6.1.7601.26769 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 – < 6.1.7601.26769 | 6.1.7601.26769 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 – < 6.0.6003.22317 | 6.0.6003.22317 |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 – < 6.0.6003.22317 | 6.0.6003.22317 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 – < 6.2.9200.24523 | 6.2.9200.24523 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 – < 6.2.9200.24523 | 6.2.9200.24523 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – < 6.3.9600.21620 | 6.3.9600.21620 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – < 6.3.9600.21620 | 6.3.9600.21620 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – < 10.0.14393.6351 | 10.0.14393.6351 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – < 10.0.14393.6351 | 10.0.14393.6351 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.4974 | 10.0.17763.4974 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.4974 | 10.0.17763.4974 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.2031 | 10.0.20348.2031 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | samba | 2:4.17.4+dfsg-1 | — |
| Debian 13 | samba | 2:4.17.4+dfsg-1 | — |
| Debian 12 | samba | 2:4.17.4+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | samba | 2:4.15.13+dfsg-0ubuntu1 | USN-5822-1 |
| Ubuntu 20.04 LTS | samba | 2:4.15.13+dfsg-0ubuntu0.20.04.1 | USN-5936-1, USN-5822-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 16.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 14.04 LTS | samba | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | samba | 4.15.13+git.591.ab36624310c-150400.3.19.1 | SUSE-SU-2023:0160-1 |
| SLES 15 SP3 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SLES 2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SLE Real Time 15 SP3 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SLE Micro 5.3 | samba | 4.15.13+git.591.ab36624310c-150400.3.19.1 | SUSE-SU-2023:0160-1 |
| SLE Micro 5.2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SLE HPC 15 SP3 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SUSE Manager Server 4.2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SUSE Manager Retail Branch Server 4.2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SUSE Manager Proxy 4.2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
| SUSE Enterprise Storage 7.1 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | samba | 4.17.4+git.300.305b22bfce-1.1 | openSUSE-SU-2024:12587-1 |
| openSUSE Leap 15.4 | samba | 4.15.13+git.591.ab36624310c-150400.3.19.1 | SUSE-SU-2023:0160-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.3 | samba | 4.15.13+git.591.ab36624310c-150400.3.19.1 | SUSE-SU-2023:0160-1 |
| openSUSE Leap Micro 5.2 | samba | 4.15.13+git.540.fab3b2a46c6-150300.3.46.1 | SUSE-SU-2023:0014-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.16 | samba | 4.15.13-r0 | — |
| Alpine v3.15 | samba | 4.15.13-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | samba +29 | 2:4.17.5-0.amzn2023.0.2 | ALAS2023-2023-032 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | samba | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | samba | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | libauth-samba | 4.22.0-r0 | — |
Advisories 8
- USN-5936-1 samba vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-5822-1 samba vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:12587-1 ctdb-4.17.4+git.300.305b22bfce-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0160-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0014-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-2365 Samba: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Jun 29, 2025
- ALAS2023-2023-032 Important: samba security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 15, 2024
- MSRC-CVE-2022-37967 Windows Kerberos Elevation of Privilege Vulnerability Microsoft Security Response Center · Oct 10, 2023
References
- Windows Kerberos Elevation of Privilege Vulnerability vendor-advisory patch