Apple macOS tvOS prior 15.7.8/14.8.8/26.6 race condition

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 3.48 |
Summary
A vulnerability described as critical has been identified in Apple macOS tvOS. Affected is an unknown function. Executing a manipulation can lead to race condition. This vulnerability appears as CVE-2026-43770. The attack may be performed from remote. There is no available exploit.
Details
A vulnerability was found in Apple macOS tvOS. It has been declared as critical. This vulnerability affects 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. CVE summarizes:
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6. An app may be able to access sensitive user data.
The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2026-43770 since 05/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. 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 07/28/2026).
Upgrading to version 15.7.8, 14.8.8 or 26.6 eliminates this vulnerability.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Race conditionCWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: macOS tvOS 15.7.8/14.8.8/26.6
Timeline
05/02/2026 CVE reserved07/27/2026 VulDB entry created
07/28/2026 Advisory disclosed
07/28/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-43770 (🔒)
GCVE (CVE): GCVE-0-2026-43770
GCVE (VulDB): GCVE-100-383668
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 07/28/2026 00:28Changes: 07/28/2026 00:28 (54)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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