Apple macOS/visionOS/iOS/iPadOS up to 26.2 race condition

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Apple macOS, visionOS, iOS and iPadOS up to 26.2. Affected by this vulnerability is an unknown functionality. This manipulation causes race condition. This vulnerability is tracked as CVE-2026-20677. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.
Details
A vulnerability was found in Apple macOS, visionOS, iOS and iPadOS up to 26.2. It has been declared as problematic. Affected by this vulnerability is some unknown functionality. 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 handling of symbolic links. This issue is fixed in macOS Tahoe 26.3, macOS Sonoma 14.8.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. A shortcut may be able to bypass sandbox restrictions.
The advisory is shared at support.apple.com. This vulnerability is known as CVE-2026-20677 since 11/11/2025. The exploitation appears to be difficult. 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 02/18/2026).
Upgrading to version 26.3 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.0
NVD Vector: 🔒
ADP CISA Base Score: 9.0
ADP CISA Vector: 🔒
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: Partially
Local: Yes
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
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/visionOS/iOS/iPadOS 26.3
Timeline
11/11/2025 CVE reserved02/12/2026 Advisory disclosed
02/12/2026 VulDB entry created
02/18/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-20677 (🔒)
GCVE (CVE): GCVE-0-2026-20677
GCVE (VulDB): GCVE-100-345697
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 02/12/2026 06:39Updated: 02/18/2026 05:05
Changes: 02/12/2026 06:39 (55), 02/13/2026 10:19 (11), 02/18/2026 05:05 (11)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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