CVE-2016-4638

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 61.3% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-07-22 01:00Z10 YR AGO

Last updated

2024-08-06 00:39Z2 YR AGO

Reserved

2016-05-11

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-264

Data version

5.1

Document digest

7e7506f436ce43f6f8488014931d91b858c598ee1fca8200aa1de03ebdf06223

• www.securityfocus.com91824http://www.securityfocus.com/bid/91824vdb-entryx_refsource_BID
• lists.apple.comAPPLE-SA-2016-07-18-1http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlvendor-advisoryx_refsource_APPLE
• www.securitytracker.com1036348http://www.securitytracker.com/id/1036348vdb-entryx_refsource_SECTRACK
• support.apple.comhttps://support.apple.com/HT206903x_refsource_CONFIRM