CVE-2023-21676
CVE-2023-21676 is a high-severity vulnerability in Microsoft Windows 10 1809 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 10 1809
- Published:
- Last modified:
Description
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Frequently asked questions
- What is CVE-2023-21676?
- Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
- How severe is CVE-2023-21676?
- CVE-2023-21676 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-21676 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-21676?
- CVE-2023-21676 primarily affects Microsoft Windows 10 1809. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-21676?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-21676 published?
- CVE-2023-21676 was published on 2023-01-10 and last updated on 2026-06-17.
References
Affected products (18)
- cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_20h2:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_21h2:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
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