High severity8.8NVD Advisory· Published Jan 27, 2026· Updated Apr 15, 2026

CVE-2020-36938

Description

WinAVR version 20100110 contains an insecure permissions vulnerability that allows authenticated users to modify system files and executables. Attackers can leverage the overly permissive access controls to potentially modify critical DLLs and executable files in the WinAVR installation directory.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

sourceforge.net/projects/winavr/nvd
www.exploit-db.com/exploits/49379nvd
www.vulncheck.com/advisories/winavr-version-insecure-folder-permissionsnvd

News mentions

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