cve-2025-21418
HIGH cisa_known_exploited
Description
Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
Timeline
- Published
- 2025-02-11
- Last Modified
- 2025-02-11
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
No linked vulnerabilities found.
{
"cvss": 0.0,
"datePublished": "2025-02-11",
"dateUpdated": "2025-02-11",
"description": "Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.",
"dueDate": "2025-03-04",
"id": "CVE-2025-21418",
"kev_catalogs": [
"cisa"
],
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21418",
"product": "Windows",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"severity": "HIGH",
"source": "cisa_known_exploited",
"title": "Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability",
"vendor": "Microsoft"
}