Apple iOS/iPadOS/macOS/tvOS/visionOS up to 18.7.8/26.4 Image memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $25k-$100k | 0.00 |
Summary
A vulnerability was found in Apple iOS, iPadOS, macOS, tvOS and visionOS up to 18.7.8/26.4 and classified as critical. Affected by this issue is some unknown functionality of the component Image Handler. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2026-28940. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Apple iOS, iPadOS, macOS, tvOS and visionOS up to 18.7.8/26.4. It has been classified as critical. Affected is an unknown code of the component Image Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing a maliciously crafted image may corrupt process memory.
The advisory is available at support.apple.com. This vulnerability is traded as CVE-2026-28940 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 $25k-$100k at the moment (estimation calculated on 05/23/2026).
Upgrading to version 18.7.9 or 26.5 eliminates this vulnerability.
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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: 6.9VulDB Meta Temp Score: 6.7
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
ADP CISA Base Score: 7.5
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: Memory corruptionCWE: CWE-119
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: iOS/iPadOS/macOS/tvOS/visionOS 18.7.9/26.5
Timeline
03/03/2026 CVE reserved05/12/2026 Advisory disclosed
05/12/2026 VulDB entry created
05/23/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-28940 (🔒)
GCVE (CVE): GCVE-0-2026-28940
GCVE (VulDB): GCVE-100-362814
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 05/12/2026 04:10Updated: 05/23/2026 04:18
Changes: 05/12/2026 04:10 (57), 05/23/2026 04:18 (11)
Complete: 🔍
Cache ID: 216::103
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