CVE-2023-33163 json
Windows Network Load Balancing Remote Code Execution Vulnerability
published 2023-07-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-37348
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
Windows Network Load Balancing Remote Code Execution Vulnerability
Patch / fix
- Microsoft Windows Server 2019 10.0.17763.4645
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4645
- Microsoft Windows Server 2022 10.0.20348.1850
- Microsoft Windows Server 2016 10.0.14393.6085
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6085
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26623
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26623
- Microsoft Windows Server 2012 6.2.9200.24374
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24374
- Microsoft Windows Server 2012 R2 6.3.9600.21063
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21063
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
Classification
- Weakness
-
- CWE-591 Sensitive Data Storage in Improperly Locked Memory
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-33163
vendor-advisory, patch
Sources
- CVE List CVE-2023-33163
- NVD CVE-2023-33163
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.