KEV Entry

CVE-2021-41357

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2021-41357

2022-04-25 02:00 CEST

Timestamps

2022-04-25

2022-04-25

Scope

Microsoft Win32k Privilege Escalation Vulnerability | Affected: Microsoft / Win32k | Description: Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-41357

References
  • {'id': 'CVE-2021-41357', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-41357'}

9e77d2da-545a-48d4-a319-b52e499a8f87

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-02 08:10 CEST

2026-10-02 08:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [],
  "date_added": "2022-04-25",
  "due_date": "2022-05-16",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Win32k",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Win32k Privilege Escalation Vulnerability"
}
 -
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