HOMEVULNERABILITIESCVE-2025-4525
HIGH

CVE-2025-4525

CWE-426Published: May 10, 2025· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-4525 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

discord1 product(s)
discord
Microsoft1 product(s)
windows
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2
ADVISORYhttps://vuldb.com/?id.308270
ADVISORYhttps://vuldb.com/?submit.562788
ADVISORYhttps://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2

All References (5)

→
https://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2Exploit · Third Party Advisory
→
https://vuldb.com/?ctiid.308270Permissions Required · VDB Entry
→
https://vuldb.com/?id.308270Third Party Advisory · VDB Entry
→
https://vuldb.com/?submit.562788Third Party Advisory · VDB Entry
→
https://gist.github.com/shellkraft/ac4be6a3953e2889a7bf54aea2db88c2Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2025-4525
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-426
CISA KEVNo
Affected2 vendor(s)
PublishedMay 10, 2025

Related CVEs (CWE-426)

CVE-2022-3734
9.8
CVE-2024-35260
9.8
CVE-2018-19486
9.8
CVE-2011-4125
9.8
CVE-2025-26155
9.8
CVE-2026-45772
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-4525 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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