Home/CVE/Apple Multiple Products WebKit Code Execution Vulnerability
CVE

CVE-2023-41993

Apple Multiple Products WebKit Code Execution Vulnerability

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution.

Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.24165
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

◆

Threat Actors Linked

1
actorCy4Gate
⬡

Weakness Classification

CWE-754Improper Check for Unusual or Exceptional Conditions
CWE-754Improper Check for Unusual or Exceptional Conditions
▤

Affected Products & Versions

14
apple ipados< 17.0.1
apple iphone os< 17.0.1
apple macos< 14.0
fedoraproject fedoraall versions
debian linuxall versions
oracle graalvmall versions
oracle jdkall versions
oracle jreall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Sep 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

10
rhsaRHSA-2025:10364Important
suse-csafSUSE-SU-2023:4339-1
suse-csafSUSE-SU-2023:4294-1
suse-csafSUSE-SU-2023:4209-1
suse-csafSUSE-SU-2023:4211-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.gentoo.org/glsa/202401-33Third Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0004/Third Party Advisory
https://support.apple.com/en-us/HT213940Vendor Advisory
https://support.apple.com/kb/HT213926Vendor Advisory
https://support.apple.com/kb/HT213930Vendor Advisory
https://webkitgtk.org/security/WSA-2023-0009.htmlThird Party Advisory
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