Apple iOS/iPadOS/macOS prior 26.6.1/26.6.2 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$5k-$25k2.78

Summaryinfo

A vulnerability described as critical has been identified in Apple iOS, iPadOS and macOS. Affected by this issue is some unknown functionality. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2026-64787. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Apple iOS, iPadOS and macOS. It has been declared as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. CVE summarizes:

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected process termination.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2026-64787 since 07/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/18/2026).

The vulnerability scanner Nessus provides a plugin with the ID 335968 (macOS 26.x < 26.6.2 Multiple Vulnerabilities (148281)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 26.6.1 or 26.6.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (335968). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 335968
Nessus Name: macOS 26.x < 26.6.2 Multiple Vulnerabilities (148281)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: iOS/iPadOS/macOS 26.6.1/26.6.2

Timelineinfo

07/20/2026 CVE reserved
08/17/2026 +28 days Advisory disclosed
08/17/2026 +0 days VulDB entry created
08/18/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-64787 (🔒)
GCVE (CVE): GCVE-0-2026-64787
GCVE (VulDB): GCVE-100-391480
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 08/18/2026 00:04
Updated: 08/18/2026 03:47
Changes: 08/18/2026 00:04 (54), 08/18/2026 03:47 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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