CVE-2023-43000

Apple Multiple Products: Use-After-Free

As of , CVE-2023-43000 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 5 March 2026
US federal deadline
26 March 202621 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.04Higher than 90% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: support.apple.comLinks below, from CISA's entry.

What CISA says to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

CISA's description

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.

The CVE record's description, from apple

CVE published
5 November 2025
Assigned by
apple
CVSS
8.8 High (CVSS 3.1, from CISA-ADP)
CWE-416
Use After Free
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-86950Out-of-Bounds WriteApple Multiple ProductsPatch nowForensic triage required by CISA; listed in the last 14 days0.01
CVE-2021-30860Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.760.76
CVE-2023-32434Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.520.52
CVE-2019-8605Use-After-FreeApple Multiple ProductsPatch soonVerified Exploit-DB entry0.18
CVE-2020-3837Memory CorruptionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.15
CVE-2019-8506Type ConfusionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.16
CVE-2023-28205WebKit Use-After-FreeApple Multiple ProductsPatch soon0.27
CVE-2021-30807Memory CorruptionApple Multiple ProductsPatch soon0.29
CVE-2025-31200Memory CorruptionApple Multiple ProductsPatch soon0.19
CVE-2025-24085Use-After-FreeApple Multiple ProductsPatch soon0.18

All 54 entries for Multiple Products

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