{
    "id": "CVE-2021-30761",
    "published": "2021-09-08 14:15:10",
    "last_modified": "2026-06-17 03:50:50",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "cwe": "CWE-787",
    "description": "A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..",
    "epss_score": "0.10545",
    "epss_percentile": "0.95624",
    "kev": 1,
    "kev_due": "2021-11-17",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:29",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2021-11-17."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "iphone_os"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2021-30761",
        "date_added": "2021-11-03",
        "due_date": "2021-11-17",
        "vendor": "Apple",
        "product": "iOS",
        "name": "Apple iOS WebKit Memory Corruption Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://support.apple.com/en-us/HT212548",
        "https://support.apple.com/en-us/HT212548",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30761"
    ]
}