Microsoft Windows 10 21H2/11 23H2/Server 2022/Server 2022 23H2 Desktop Window Manager use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Microsoft Windows 10 21H2/11 23H2/Server 2022/Server 2022 23H2. This affects an unknown part of the component Desktop Window Manager. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2026-27924. The attack requires a local approach. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Microsoft Windows 10 21H2/11 23H2/Server 2022/Server 2022 23H2. This affects some unknown processing of the component Desktop Window Manager. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 04/14/2026 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2026-27924. The exploitability is told to be easy. Attacking locally is a requirement. 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 04/14/2026).
Upgrading to version 10.0.19044.7184, 10.0.19045.7184, 10.0.20348.5020, 10.0.22631.6936 or 10.0.25398.2274 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
Version
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: 7.8VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.8
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor 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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
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: UpgradeStatus: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Upgrade: Windows 10.0.19044.7184/10.0.19045.7184/10.0.20348.5020/10.0.22631.6936/10.0.25398.2274
Timeline
04/14/2026 VulDB entry created04/14/2026 Advisory disclosed
04/14/2026 Countermeasure disclosed
04/14/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-27924 (🔒)
GCVE (CVE): GCVE-0-2026-27924
GCVE (VulDB): GCVE-100-357447
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 04/14/2026 19:54Updated: 04/14/2026 19:57
Changes: 04/14/2026 19:54 (38), 04/14/2026 19:57 (32)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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