Is CVE-2023-23526 in the CISA KEV catalog?

No. CVE-2023-23526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23526?

CVE-2023-23526 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-23526?

CVE-2023-23526 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23526?

Upgrade ipados to 16.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23526

CRITICAL

9.8

CVSS v3

NVD

Description

This was addressed with additional checks by Gatekeeper on files downloaded from an iCloud shared-by-me folder. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4. A file from an iCloud shared-by-me folder may be able to bypass Gatekeeper.

How to fix

Remediation Available

ipadosNVD

Affected:< 16.4Fixed in:16.4CVE-2023-23526derived from NVD

iphone osNVD

Affected:< 16.4Fixed in:16.4CVE-2023-23526derived from NVD

macosNVD

Affected:< 13.3Fixed in:13.3CVE-2023-23526derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory2

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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 2025-01-29.