Microsoft Windows up to Server 2022 23H2 Clipboard Virtual Channel Extension sensitive data storage in improperly locked memory
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.1 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Microsoft Windows. This issue affects some unknown processing of the component Clipboard Virtual Channel Extension. Performing a manipulation results in sensitive data storage in improperly locked memory. This vulnerability was named CVE-2024-38131. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Microsoft Windows. It has been classified as critical. This affects an unknown functionality of the component Clipboard Virtual Channel Extension. The manipulation with an unknown input leads to a sensitive data storage in improperly locked memory vulnerability. CWE is classifying the issue as CWE-591. The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Clipboard Virtual Channel Extension Remote Code Execution Vulnerability
The weakness was presented 08/13/2024 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2024-38131. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/08/2025).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-37091). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
- 10
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 21H2
- 11 22H2
- 11 23H2
- 11 24H2
- Remote Desktop client
- Server 2008 R2 SP1
- Server 2008 SP2
- Server 2012
- Server 2012 R2
- Server 2016
- Server 2019
- Server 2022
- Server 2022 23H2
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.1
VulDB Base Score: 8.8
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 8.8
Vendor Vector (Microsoft): 🔍
CNA Base Score: 8.8
CNA Vector (Microsoft): 🔍
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: Sensitive data storage in improperly locked memoryCWE: CWE-591 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
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: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
08/13/2024 🔍08/13/2024 🔍
08/13/2024 🔍
07/08/2025 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2024-38131 (🔍)
GCVE (CVE): GCVE-0-2024-38131
GCVE (VulDB): GCVE-100-274443
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 08/13/2024 19:50Updated: 07/08/2025 04:24
Changes: 08/13/2024 19:50 (35), 08/13/2024 19:53 (34), 08/14/2024 04:43 (10), 03/15/2025 07:03 (3), 05/20/2025 16:25 (1), 07/08/2025 04:24 (2)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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