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TI-2025-04040 Aliases CVE-2025-4525GHSA-936r-ccvf-h37h

Discord WINSTA.dll uncontrolled search path

Priority HIGH 67CWE-426Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-426.

Summary

A vulnerability, which was classified as critical, has been found in Discord 1.0.9188 on Windows. Affected by this issue is some unknown functionality in the library WINSTA.dll. The manipulation leads to uncontrolled search path. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Discord1.0.9188—No fix listedCNA
  • Discord Vendor— Affected 1.0.9188 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:discord:discord:1.0.9188:*:*:*:*:*:*:*1.0.9188VulnerableDiscord
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:discord:discord:1.0.9188:*:*:*:*:*:*:* Versions 1.0.9188 Vulnerable ·Discord
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4525
  2. 2026-10-03 Alias added: GHSA-936r-ccvf-h37h

References

  • TI-2024-15743 An issue in Discord for macOS version 0.0.291 and before, allows remote attackers to… CVSS 3.1CRITICAL 9.8

Sources