Microsoft Windows up to Server 2025 Windows Audio Service use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $5k-$25k | 0.43+ |
Summary
A vulnerability categorized as very critical has been discovered in Microsoft Windows. Affected by this issue is some unknown functionality of the component Windows Audio Service. The manipulation results in use after free. This vulnerability is known as CVE-2026-69311. Attacking locally is a requirement. No exploit is available. A patch should be applied to remediate this issue.
Details
A vulnerability, which was classified as very critical, was found in Microsoft Windows. Affected is an unknown functionality of the component Windows Audio Service. 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. CVE summarizes:
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-69311 since 08/03/2026. The exploitability is told to be easy. Local access is required to approach this attack. 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 09/08/2026).
Applying a patch is able to eliminate this problem.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 23H2
- 11 24H2
- 11 25H2
- 11 26H1
- Server 2012 R2
- Server 2016
- Server 2019
- Server 2022
- Server 2025
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: 7.9VulDB Meta Temp Score: 7.7
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.0
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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
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: PatchStatus: 🔍
0-Day Time: 🔒
Timeline
08/03/2026 CVE reserved09/08/2026 Advisory disclosed
09/08/2026 VulDB entry created
09/08/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-69311 (🔒)
GCVE (CVE): GCVE-0-2026-69311
GCVE (VulDB): GCVE-100-400170
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 09/08/2026 20:48Changes: 09/08/2026 20:48 (63)
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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