CVE-2023-21750

CVE-2023-21750 is a high-severity vulnerability in Microsoft Windows 10 1607 with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

• Severity: High (CVSS 3.x base score 7.1)
• EPSS exploit prediction: 1% (49th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-284
• Affected product: Microsoft Windows 10 1607
• Published: 2023-01-10
• Last modified: 2026-06-17

Description

Windows Kernel Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2023-21750?

Windows Kernel Elevation of Privilege Vulnerability

How severe is CVE-2023-21750?

CVE-2023-21750 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-21750 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21750?

CVE-2023-21750 primarily affects Microsoft Windows 10 1607. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21750?

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-2023-21750 published?

CVE-2023-21750 was published on 2023-01-10 and last updated on 2026-06-17.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21750

Affected products (31)

• cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
• 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_7:-:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
• cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

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