CVE-2019-8526A use after free issue was addressed with improved memory management.
Updated under an hour ago ()
Does this affect you?
It affects Apple macOS and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Apr 17, 2023; federal agencies had to remediate by May 8, 2023. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Apr 17, 2023; federal remediation due May 8, 2023Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 0.70% (percentile 52)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple macOS apple:macos (from the name) | from unspecified before macOS Mojave 10.14.4 | CNA record |
apple mac_os_x apple:mac_os_x | before 10.14.4 | NVD |
References
- https://support.apple.com/HT209600x-refsource-misc, release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8526us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.