Cyber Resilience

CVE-2023-23496

HighRCE

Published: 27 February 2023

Published
27 February 2023
Modified
11 March 2025
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0068 72.1th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-23496 is a high-severity Code Injection (CWE-94) vulnerability in Apple Safari. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 27.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.2, watchOS 9.3, iOS 15.7.2 and iPadOS 15.7.2, Safari 16.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. Processing maliciously crafted web content may lead to arbitrary…

more

code execution.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
safari
≤ 16.3
apple
ipados
≤ 16.3
apple
iphone os
≤ 16.3
apple
macos
≤ 13.2
apple
tvos
≤ 16.3
apple
watchos
≤ 9.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References