CVE-2024-27837 | BDVDB-2026-235367 Detail

ApplemacOS

Description#

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sonoma 14.5. A local attacker may gain access to Keychain items.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-280 Improper Handling of Insufficient Permissions or Privileges

References#

Exploit#

No public exploit known

History#

Version 12024-05-13Record published in the CVE List.
Version 22026-04-02Most recent update recorded in the CVE List.

Published

Published: 2024-05-13
Last modified: 2026-04-02

Vendor information

Vendor: Apple
Product: macOS

All Apple vulnerabilities

Score

7.7 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 14.5
Fixed
14.5

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.7 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).