Medium 4.3Published Oct 9, 2015

CVE-2015-5836Apple Online Store Kit in Apple OS X before 10.11 improperly validates iCloud keychain item ACLs, which allows attackers to obtain access to keychain items via a crafted app.

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

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Apple Online Store Kit in Apple OS X before 10.11 improperly validates iCloud keychain item ACLs, which allows attackers to obtain access to keychain items via a crafted app.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/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 mac_os_x apple:mac_os_x	through 10.10.5	NVD

References

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html	vendor-advisory
http://www.securitytracker.com/id/1033703	third-party-advisory, vdb-entry
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.