Apple macOS up to 26 race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k1.82-

Summaryinfo

A vulnerability was found in Apple macOS up to 26 and classified as critical. This affects an unknown part. The manipulation results in race condition. This vulnerability is reported as CVE-2026-86915. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 26. Affected is an unknown code. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on availability. CVE summarizes:

A race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27. An app may be able to cause unexpected system termination.

The advisory is available at support.apple.com. This vulnerability is traded as CVE-2026-86915 since 09/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/20/2026).

Upgrading to version 27 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

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

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: macOS 27

Timelineinfo

09/08/2026 CVE reserved
10/20/2026 +42 days Advisory disclosed
10/20/2026 +0 days VulDB entry created
10/20/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-86915 (🔒)
GCVE (CVE): GCVE-0-2026-86915
GCVE (VulDB): GCVE-100-422622
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/20/2026 03:43
Changes: 10/20/2026 03:43 (55)
Complete: 🔍
Cache ID: 216::103

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