basicsecurity.net
Proof, not just disclosure.
Threats / Apple / CVE-2019-8605
CVE-2019-8605 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Apple Multiple Products vulnerability

Use-after-free vulnerability in Apple operating systems allows malicious applications to execute code with system privileges.

Verdict

Today item — known-exploited.

A use-after-free flaw in iOS, macOS, tvOS, and watchOS enables privilege escalation through malicious application execution. Active exploitation in the wild confirms practical threat; however, attack requires local application installation.

CISA KEV Yes · 2022-06-273EPSS 0.17513 (verify live)4Exploit Public PoC5
01

Is it exploitable?

— the evidence, ranked above the score
Exploit available
Public proof-of-concept exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
2 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-27).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.17513 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Apple, Multiple Products. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-416 Use After Free — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-416 · Use After FreeMemory safety
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious application that exploits the use-after-free condition in the operating system kernel.
Business
User device security is compromised when a seemingly legitimate app is installed from app stores or third-party sources.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I trigger the memory corruption by performing specific operations that cause the freed memory to be reallocated and accessed.
Business
System integrity fails as the vulnerability allows arbitrary code execution at the highest privilege level.
3

Lateral reach — past segmentation narrative 3

Attacker
I execute arbitrary code with system privileges, gaining complete control over the device and all user data.
Business
Confidentiality, integrity, and availability of all device data and services are lost; user trust in the platform erodes.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • Public PoC available (VulnCheck)
  • 2 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Public exploit availability
  • Catalogued by apple (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by appleCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.