Low 2.1Published Sep 18, 2015

CVE-2015-5863IOStorageFamily in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive information from kernel memory via unknown vectors.

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects apple iphone_os and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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IOStorageFamily in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive information from kernel memory via unknown vectors.

CVSS: 2.1 LOW (v2.0, NVD)AV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

apple iphone_os apple:iphone_os	through 8.4.1	NVD
apple mac_os_x apple:mac_os_x	through 10.10.5	NVD
apple watchos apple:watchos	1.0	NVD

References

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html	vendor-advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html	vendor-advisory
http://www.securityfocus.com/bid/76764
http://www.securitytracker.com/id/1033609
https://support.apple.com/HT205212	vendor-advisory
https://support.apple.com/HT205213	vendor-advisory
https://support.apple.com/HT205267	vendor-advisory

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.