CVEs / CVE-2019-8526
CVE-2019-8526: Apple macOS Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 17 Apr 2023
- high 7.8 CVSS 3.1 (NVD)
- EPSS 0.7% chance of exploitation in the next 30 days, higher than 53% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS | from unspecified, before macOS Mojave 10.14.4 | macOS Mojave 10.14.4 |
Exploitation
| In CISA KEV since | 17 Apr 2023 |
|---|---|
| Due date for US federal agencies | 8 May 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2019-8526 on NVD
- CVE-2019-8526 in the CISA KEV catalog
- https://support.apple.com/en-us/HT209600 (cited by CISA)
- https://support.apple.com/HT209600 Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8526 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.