Apple iOS/iPadOS/macOS prior macOS Tahoe 26.7.2 Memory Management use after free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.7 | $25k-$100k | 1.23+ |
Summary
A vulnerability was found in Apple iOS, iPadOS and macOS and classified as very critical. Affected by this vulnerability is an unknown functionality of the component Memory Management. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2026-86916. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Apple iOS, iPadOS and macOS. It has been declared as very critical. This vulnerability affects an unknown code of the component Memory Management. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2. An app may be able to execute arbitrary code with kernel privileges.
The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2026-86916 since 09/08/2026. 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 $25k-$100k (estimation calculated on 10/26/2026).
Upgrading to version iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8 or macOS Tahoe 26.7.2 eliminates this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: 8.9VulDB Meta Temp Score: 8.7
VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
ADP CISA Base Score: 7.8
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: Use after freeCWE: CWE-416 / CWE-119
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: iOS/iPadOS/macOS iOS 26.7/iPadOS 26.7/iOS 27/iPadOS 27/macOS Golden Gate 27/macOS Sequoia 15.8/macOS Tahoe 26.7.2
Timeline
09/08/2026 CVE reserved10/26/2026 Advisory disclosed
10/26/2026 VulDB entry created
10/26/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-86916 (🔒)
GCVE (CVE): GCVE-0-2026-86916
GCVE (VulDB): GCVE-100-426976
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 10/26/2026 23:39Changes: 10/26/2026 23:39 (64)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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