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Known exploited vulnerability

CVE-2019-8526

highCVSS 3.1 7.8In CISA KEVEPSS 0.70%Published · Apple

The short answer

CVE-2019-8526 affects Apple macOS and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-04-17: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-416.

Severity

7.8 high

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

Exploited (CISA KEV)

Yes, since Apr 17, 2023

Federal due date May 8, 2023

EPSS, next 30 days

0.70%

Higher than 54% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

macOS. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2019-8526 being exploited?

Yes. CISA added CVE-2019-8526 to its Known Exploited Vulnerabilities catalog on 2023-04-17, with a federal remediation due date of 2023-05-08.

How do I fix CVE-2019-8526?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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