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iOS and iPadOS CVE-2026-84593

| EUVDEUVD-2026-78002 MEDIUM
Use After Free (CWE-416)
2026-09-14 apple GHSA-x72v-58hp-rp9g
5.5
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
vuln.today AI
5.5 MEDIUM

Exploitation needs a locally running app (AV:L, PR:L) with no user interaction and low complexity; impact is availability-only, matching the description.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
Sep 15, 2026 - 17:22 vuln.today
CVSS changed
Sep 15, 2026 - 17:22 NVD
5.5 (MEDIUM)
Patch available
Sep 14, 2026 - 22:19 EUVD
CVE Published
Sep 14, 2026 - 20:48 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 14, 2026 - 20:48 cve.org
MEDIUM 5.5

DescriptionCVE.org

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to cause unexpected system termination.

AnalysisAI

A use-after-free memory management flaw in Apple iOS and iPadOS allows a locally installed application to crash the system, causing unexpected device termination (denial of service). All versions prior to iOS 27 / iPadOS 27 are affected per the vendor CPE wildcard and ENISA EUVD version range (0 < 27). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the ability to install and run an application in the iOS/iPadOS app sandbox on a device running a version below iOS 27 (CVSS PR:L, AV:L) - no user interaction is needed once the app is executed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 3.1 scores this 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) - a local, low-complexity, low-privilege availability-only issue with no user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update all iPhones and iPads to iOS 27 / iPadOS 27, which contains the memory-management fix for this use-after-free; this is the only complete remediation and there is no configuration-only workaround that removes the vulnerable code path, since the flaw is reachable from app context. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84593 vulnerability details – vuln.today

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