What’s Vulnerable › Vulnerabilities

CVE-2023-29343: SysInternals Sysmon for Windows Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-09 · updated 2026-06-17
• Weakness: CWE-59

Description

SysInternals Sysmon for Windows Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows Sysmon: before 14.16 — fixed in 14.16
• Microsoft Windows Sysmon: from 1.0 before 14.16 — fixed in 14.16

How to fix

Upgrade to a fixed version: Microsoft Windows Sysmon 14.16; Microsoft Windows Sysmon 14.16. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29343
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29343

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