CVE-2026-74801 — SiYuan before 3.7.4 Local Privilege Escalation via elevator.exe
SiYuan before 3.7.4 fails to properly escape workspace directory paths when constructing command-line arguments for the elevated elevator.exe helper process. Attackers can creat…
Published: 2026-08-17 · CVSS: 8.6 · CVSS 4.0
SiYuan before 3.7.4 fails to properly escape workspace directory paths when constructing command-line arguments for the elevated elevator.exe helper process. Attackers can create a malicious workspace directory with command metacharacters in its path and trigger the Microsoft Defender exclusion flow to execute arbitrary commands with administrator privileges after UAC approval.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7