Apple macOS up to 14.8.7/26.5 race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k6.21

Summaryinfo

A vulnerability was found in Apple macOS up to 14.8.7/26.5. It has been classified as very critical. This impacts an unknown function. This manipulation causes race condition. The identification of this vulnerability is CVE-2026-43755. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as very critical was found in Apple macOS up to 14.8.7/26.5. Affected by this vulnerability is an unknown code block. 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. The summary by CVE is:

A race condition was addressed with improved state management. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to gain root privileges.

The advisory is shared at support.apple.com. This vulnerability is known as CVE-2026-43755 since 05/02/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/28/2026).

Upgrading to version 14.8.8 or 26.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-49475). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.0
ADP CISA Vector: 🔒

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: No

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 14.8.8/26.6

Timelineinfo

05/02/2026 CVE reserved
07/27/2026 +86 days VulDB entry created
07/28/2026 +0 days Advisory disclosed
07/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2026-43755 (🔒)
GCVE (CVE): GCVE-0-2026-43755
GCVE (VulDB): GCVE-100-383689
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 07/28/2026 00:49
Updated: 07/28/2026 08:24
Changes: 07/28/2026 00:49 (64), 07/28/2026 08:24 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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