CVE-2019-8526 | BDVDB-2026-127721 Detail

ApplemacOS

Description#

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.4. An application may be able to gain elevated privileges.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-416 Use After Free

References#

Exploit#

No public exploit known

History#

Version 12019-12-18Record published in the CVE List.
Version 22025-10-21Most recent update recorded in the CVE List.

Published

Published: 2019-12-18
Last modified: 2025-10-21

Vendor information

Vendor: Apple
Product: macOS

All Apple vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 53.5.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
< macOS Mojave 10.14.4
Fixed
macOS Mojave 10.14.4

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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