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Tvos CVE-2026-64729

| EUVDEUVD-2026-49536 CRITICAL
Use After Free (CWE-416)
2026-07-27 apple GHSA-g5r9-prr2-f7qr
9.8
CVSS 3.1 · Vendor: apple
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Vulnerability Assessment

Weakness
CWE
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 28, 2026

Denial of service in Apple iOS, macOS, and related operating systems due to a use-after-free flaw could allow a malicious app to crash the device. Apple's advisory only confirms unexpected system termination, but an independent CVSS score of 9.8 suggests potential for full system compromise; however, the CVSS vector appears inconsistent with the vendor description. The vulnerability is patched in versions 26.6 for all affected OSes, and no active exploitation or public exploit code is known.

Affected VersionsENISA

macOS 0 <26.6
watchOS 0 <26.6
iOS and iPadOS 0 <26.6
tvOS 0 <26.6
visionOS 0 <26.6

Affected Packages

euvd ios_and_ipados fix: 26.6
euvd macos fix: 26.6
euvd tvos fix: 26.6
euvd visionos fix: 26.6
euvd watchos fix: 26.6

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 5 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (apple) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

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

Lifecycle Timeline

3
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:13 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 27, 2026 - 20:13 cve.org
CRITICAL 9.8

DescriptionCVE.org

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Total

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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