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Fencer Vulns
medium 5.5

CVE-2016-4655 kev in the critical feed json

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

published 2016-08-25 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5641

cvss
5.5
version 3.1, CNA
cisa kev
Exploited
added 2022-05-24
epss
33.4%
EPSS 33.4% chance of exploitation in 30 days, percentile 98%
public exploits
2
Metasploit, Exploit-DB

Summary

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • apple iphone_os 9.3.5

Timeline

  1. Found exploited as a 0-day (Project Zero)
  2. 0-day patched (Project Zero)
  3. First public exploit (Metasploit exploit/apple_ios/browser/webkit_trident)
  4. Published
  5. Added to CISA KEV
  6. CISA patch deadline
  7. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-06-14 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Apple, iOS
CISA name
Apple iOS Information Disclosure Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Found
2016-08-15
Patched
2016-08-25
Details
project zero tracker

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

33.35% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:C/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.