CVEPublished 2026-08-17Modified 2026-08-261 article on news6 live referencesNVD data

CVE-2026-74801

Vulnerability data via NVD (ingested)

CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
19
Exploit Prediction Scoring System · top 81% of all CVEs
Description

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.

Timeline
Published 2026-08-17
Modified 2026-08-26

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

More intel sources (5)

Known PoCs on GitHub (1)