Is CVE-2023-23496 in the CISA KEV catalog?

No. CVE-2023-23496 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23496?

CVE-2023-23496 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-23496?

CVE-2023-23496 has an EPSS score of 0.89% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23496?

Upgrade Safari to 16.3 or later.

CVE & CISA-KEV Catalog

CVE-2023-23496

HIGH

8.8

CVSS v3

NVD

Description

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 code execution.

CWE-94Code Injection

How to fix

Remediation Available

SafariWindows application

Affected:16.3Fixed in:16.3Apple Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.89%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Vendor Advisory5

Other references2

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-11.