CVE-2025-43522 — Improper Verification of Cryptographic Signature in Apple Macos

CWE-347 — Improper Verification of Cryptographic Signature6 documents5 sources

Severity

3.3LOWNVD

EPSS

0.0%

top 99.08%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Apple Macos

Timeline

PublishedDec 12

Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access user-sensitive data.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 1.8 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5apple/macos< 26.2+1

▶NVDapple/macos< 15.7.3

🔴Vulnerability Details

GHSA

GHSA-rjjj-vg83-2j3w: A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions↗2025-12-12

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CVEList

CVE-2025-43522: A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions↗2025-12-12

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📋Vendor Advisories

Apple

CVE-2025-43522: macOS Sequoia 15.7.3↗2025-12-12

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Apple

CVE-2025-43522: macOS Tahoe 26.2↗2025-12-12

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🕵️Threat Intelligence

Wiz

CVE-2025-43522 Impact, Exploitability, and Mitigation Steps | Wiz↗

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