CVE-2023-41993

Exp

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.

Published: 2023-09-21 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-41993 is rated Critical Active Threat (99.5/100): CVSS High severity, with high exploitation likelihood (EPSS 29.18%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2023-09-25) affecting Apple / Multiple Products. a weakness (CWE-754) Unauthenticated remote administrative access may be possible. EPSS rose +5.01% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-41993

Name: Apple Multiple Products WebKit Code Execution Vulnerability · CISA KEV detail

Exploit added: 2023-09-25

Action due: 2023-10-16

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

Exploit prediction scoring system (EPSS) score for CVE-2023-41993

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 24.16% 29.18% +5.01%
2 2026-05-03 24.41% 24.16% -0.25%
3 2026-04-22 24.41%

Full EPSS history (46 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-41993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-41993

OS Trackers for CVE-2023-41993

vendor priority summary link
debian not yet assigned CVE-2023-41993 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2. https://security-tracker.debian.org/tracker/CVE-2023-41993
gentoo high CVE-2023-41993: 1 GLSA(s) (202401-33), 1 atom(s) (net-libs/webkit-gtk); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-41993
redhat medium https://access.redhat.com/security/cve/CVE-2023-41993
suse high CVE-2023-41993 severity important: SUSE including 157 source package names (WebKitGTK-4.0-lang-2.42.1-150400.4.57.2, WebKitGTK-4.0-lang-2.42.5-150600.10.35, …), 429 product×package rows across 51 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (51 product lines)): Fixed 359, Known Not Affected 70. https://www.suse.com/security/cve/CVE-2023-41993/
ubuntu medium CVE-2023-41993 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 45 status rows across 9 suites (bionic, focal, jammy, lunar, mantic, noble, trusty, upstream, xenial): ignored 23, DNE 14, needs-triage 3, released 3, not-affected 2. https://ubuntu.com/security/CVE-2023-41993

Affected software / configurations for CVE-2023-41993

Vendor Product Version Raw CPE
apple ipados < 17.0.1 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 17.0.1 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos < 14.0 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
fedoraproject fedora 37 cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraproject fedora 38 cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
fedoraproject fedora 39 cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
debian debian_linux 12.0 cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
oracle graalvm 20.3.13 cpe:2.3:a:oracle:graalvm:20.3.13:*:*:*:enterprise:*:*:*
oracle graalvm 21.3.9 cpe:2.3:a:oracle:graalvm:21.3.9:*:*:*:enterprise:*:*:*
oracle jdk 1.8.0 cpe:2.3:a:oracle:jdk:1.8.0:update401:*:*:*:*:*:*
oracle jre 1.8.0 cpe:2.3:a:oracle:jre:1.8.0:update401:*:*:*:*:*:*
netapp active_iq_unified_manager cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*
netapp active_iq_unified_manager cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
netapp cloud_insights_acquisition_unit cpe:2.3:a:netapp:cloud_insights_acquisition_unit:-:*:*:*:*:*:*:*
netapp cloud_insights_storage_workload_security_agent cpe:2.3:a:netapp:cloud_insights_storage_workload_security_agent:-:*:*:*:*:*:*:*
netapp oncommand_insight cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
netapp oncommand_workflow_automation cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
webkitgtk webkitgtk\+ < 2.42.2 cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*

References for CVE-2023-41993

cvelogic Threat Intelligence