Apple iOS/iPadOS/macOS/visionOS up to 18.7.8/26.4 Web Remote Code Execution

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Apple iOS, iPadOS, macOS and visionOS up to 18.7.8/26.4. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Web Handler. The manipulation results in Remote Code Execution. This vulnerability is reported as CVE-2026-28962. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Apple iOS, iPadOS, macOS and visionOS up to 18.7.8/26.4. Affected is some unknown processing of the component Web Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
This issue was addressed with improved access restrictions. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. Processing maliciously crafted web content may disclose sensitive user information.
The advisory is available at support.apple.com. This vulnerability is traded as CVE-2026-28962 since 03/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/16/2026).
Upgrading to version 18.7.9 or 26.5 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1543). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Affected
- Apple Safari
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: 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: Remote Code ExecutionCWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
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: iOS/iPadOS/macOS/visionOS 18.7.9/26.5
Timeline
03/03/2026 CVE reserved05/12/2026 Advisory disclosed
05/12/2026 VulDB entry created
05/16/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-28962 (🔒)
GCVE (CVE): GCVE-0-2026-28962
GCVE (VulDB): GCVE-100-362802
CERT Bund: WID-SEC-2026-1543 - Apple Safari: Mehrere Schwachstellen
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 05/12/2026 04:06Updated: 05/16/2026 13:22
Changes: 05/12/2026 04:06 (56), 05/16/2026 13:22 (7)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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