CVE-2025-43520

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2025-43520

Confirmed

Yes

2026-03-20 00:00 UTC

Timestamps

2026-03-20

2026-03-20

Scope

KEV entry: Apple Multiple Products Classic Buffer Overflow Vulnerability | Affected: Apple / Multiple Products | Description: Apple watchOS, iOS, iPadOS, macOS, visionOS, tvOS, and iPadOS contain a classic buffer overflow vulnerability which could allow a malicious application to cause unexpected system termination or write kernel memory. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-04-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.apple.com/en-us/125632 ; https://support.apple.com/en-us/125633 ; https://support.apple.com/en-us/125634 ; https://support.apple.com/en-us/125635 ; https://support.apple.com/en-us/125636 ; https://support.apple.com/en-us/125637 ; https://support.apple.com/en-us/125638 ; https://support.apple.com/en-us/125639 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43520

References
  • {'id': 'CVE-2025-43520', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-43520'}

8daa80d1-62be-4cf7-8e1b-3cec0f674c85

405284c2-e461-4670-8979-7fd2c9755a60

2026-03-20 16:00 UTC

2026-03-20 16:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-120"
  ],
  "date_added": "2026-03-20",
  "due_date": "2026-04-03",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Multiple Products",
  "vendorProject": "Apple",
  "vulnerabilityName": "Apple Multiple Products Classic Buffer Overflow Vulnerability"
}
 -
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