Apple iOS/iPadOS/macOS prior 18.7.10/26.6.1/26.6.2 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$5k-$25k0.96

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS, iPadOS and macOS. This impacts an unknown function. This manipulation causes input validation. This vulnerability is tracked as CVE-2026-64781. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Apple iOS, iPadOS and macOS and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

The issue was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The advisory is shared at support.apple.com. This vulnerability is known as CVE-2026-64781 since 07/20/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (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 18.7.10, 26.6.1 or 26.6.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (335968). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: Input validation
CWE: CWE-20
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 18.7.10/26.6.1/26.6.2

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-2026-64781 (🔒)
GCVE (CVE): GCVE-0-2026-64781
GCVE (VulDB): GCVE-100-391477
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 08/18/2026 00:03
Updated: 08/18/2026 02:32
Changes: 08/18/2026 00:03 (54), 08/18/2026 02:32 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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