Is CVE-2019-8526 in the CISA KEV catalog?

Yes. CVE-2019-8526 is on the CISA Known Exploited Vulnerabilities list, added 2023-04-17.

What is the CVSS severity of CVE-2019-8526?

CVE-2019-8526 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2019-8526?

CVE-2019-8526 has an EPSS score of 0.70% (48th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2019-8526

HIGHCISA KEV

7.8

CVSS v3

NVD

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.

CWE-416Use After Free

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.70%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Apple macOS Use-After-Free Vulnerability

Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.

Apply updates per vendor instructions.

Remediation due: 2023-05-08

References

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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 2025-10-23.