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CVE-2023-36725: Windows Kernel Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-10 · updated 2026-06-17
• Weakness: CWE-284

Description

Windows Kernel Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10: before 10.0.17763.4974 — fixed in 10.0.17763.4974
• Microsoft Windows 10: before 10.0.19041.3570 — fixed in 10.0.19041.3570
• Microsoft Windows 10: before 10.0.19045.3570 — fixed in 10.0.19045.3570
• Microsoft Windows 11 21H2: before 10.0.22000.2538 — fixed in 10.0.22000.2538
• Microsoft Windows 11: before 10.0.22621.2428 — fixed in 10.0.22621.2428
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.4974 — fixed in 10.0.17763.4974
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19041.3570 — fixed in 10.0.19041.3570
• Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.3570 — fixed in 10.0.19045.3570
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2538 — fixed in 10.0.22000.2538
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.2428 — fixed in 10.0.22621.2428
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4974 — fixed in 10.0.17763.4974
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2031 — fixed in 10.0.20348.2031

How to fix

Upgrade to a fixed version: Microsoft Windows 10 10.0.17763.4974; Microsoft Windows 10 10.0.19041.3570; Microsoft Windows 10 10.0.19045.3570; Microsoft Windows 11 21H2 10.0.22000.2538; Microsoft Windows 11 10.0.22621.2428; Microsoft Windows 10 10.0.17763.4974; Microsoft Windows 10 10.0.19041.3570; Microsoft Windows 10 10.0.19045.3570; Microsoft Windows 11 21H2 10.0.22000.2538; Microsoft Windows 11 10.0.22621.2428; Microsoft Windows Server 2019 10.0.17763.4974; Microsoft Windows Server 2022 10.0.20348.2031. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36725
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36725

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