Apple macOS up to 15.8.1/26.7.1/27.1 race condition

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.67-

Summaryinfo

A vulnerability was found in Apple macOS up to 15.8.1/26.7.1/27.1. It has been declared as very critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to race condition. This vulnerability is tracked as CVE-2026-112543. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 15.8.1/26.7.1/27.1 and classified as very critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A race condition was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious app may be able to break out of its sandbox.

The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2026-112543 since 10/19/2026. The exploitation appears to be easy. The attack needs to be approached locally. 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 $0-$5k (estimation calculated on 10/26/2026).

Upgrading to version 15.8.2, 26.7.2 or 27.2 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

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 15.8.2/26.7.2/27.2

Timelineinfo

10/19/2026 CVE reserved
10/26/2026 +7 days Advisory disclosed
10/26/2026 +0 days VulDB entry created
10/26/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-112543 (🔒)
GCVE (CVE): GCVE-0-2026-112543
GCVE (VulDB): GCVE-100-426712
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 10/26/2026 22:22
Changes: 10/26/2026 22:22 (55)
Complete: 🔍
Cache ID: 216::103

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