KEV · Actively exploited

CVE-2023-43000

CVE-2023-43000 is actively exploited (CISA KEV catalog) : high severity (CVSS 8.8), 0 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 8.8
Exploitation: Confirmed
Tracked apps: 0
Still exposed: 0

Published on 2025-11-05

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.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 3.90% predictive model; CISA confirms active exploitation percentile 89.9%

CISA Known Exploited Vulnerability

Added to KEV: 2026-03-05
Remediation deadline: 2026-03-26
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.
Ransomware: Unknown (not documented by CISA)

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

iOS Fixed in 15.8.7
iPadOS Fixed in 15.8.7

View on NVD ↗ CISA KEV catalog ↗ Advisory · support.apple.com

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