CVE-2023-42824

Apple iOS and iPadOS: Kernel Privilege Escalation

As of , CVE-2023-42824 in Apple iOS and iPadOS 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 October 2023
US federal deadline
26 October 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.01Higher than 64% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 5 October 2023EPSS on the day CISA listed it.
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 or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Apple iOS and iPadOS contain an unspecified vulnerability that allows for local privilege escalation.

CISA's description

The issue was addressed with improved checks. This issue is fixed in iOS 16.7.1 and iPadOS 16.7.1. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.6.

The CVE record's description, from apple

CVE published
4 October 2023
Assigned by
apple
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
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.

iOS and iPadOS: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2025-24200Incorrect AuthorizationApple iOS and iPadOSPatch soon0.04
CVE-2021-30983Buffer OverflowApple iOS and iPadOSPatch soon0.03
CVE-2023-41974Use-After-FreeApple iOS and iPadOSPatch soon0.02
CVE-2022-42827Out-of-Bounds WriteApple iOS and iPadOSPatch soon0.01

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