CVE-2023-43000
Status: AnalyzedHigh (8.8)⚠ Active exploitation
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 3.90%
- Percentile among all scored CVEs: 90
- Score date: 10/1/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
CISA KEV — actively exploited
- Added to catalog: 3/5/2026
- Remediation due date: 3/26/2026
- Known ransomware use: Unknown
Affected technologies (4)
CWEs
- CWE-416
- CWE-416
References
- https://support.apple.com/en-us/120324
- https://support.apple.com/en-us/120331
- https://support.apple.com/en-us/120338
- https://support.apple.com/en-us/126632
- https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43000
Raw JSON (NVD)
Show
{
"id": "CVE-2023-43000",
"cveTags": [],
"metrics": {
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}
],
"lastModified": "2026-09-21T18:17:03.620",
"cisaActionDue": "2026-03-26",
"cisaExploitAdd": "2026-03-05",
"configurations": [
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"sourceIdentifier": "product-security@apple.com",
"cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"cisaVulnerabilityName": "Apple Multiple products Use-After-Free Vulnerability"
}