Is CVE-2023-39233 in the CISA KEV catalog?

No. CVE-2023-39233 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-39233?

CVE-2023-39233 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-39233?

CVE-2023-39233 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-39233?

Upgrade macos to 14.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-39233

MEDIUM

6.5

CVSS v3

NVD

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may disclose sensitive information.

How to fix

Remediation Available

macosNVD

Affected:< 14.0Fixed in:14.0CVE-2023-39233derived from NVD

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Third-Party Advisory1

seclists.org

Other references1

support.apple.com

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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 2025-11-04.