Microsoft Windows up to Server 2025 Netlogon use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $5k-$25k | 0.73 |
Summary
A vulnerability classified as critical has been found in Microsoft Windows. Affected by this issue is some unknown functionality of the component Netlogon. This manipulation causes use after free. This vulnerability is registered as CVE-2026-70025. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.
Details
A vulnerability classified as critical was found in Microsoft Windows. Affected by this vulnerability is some unknown processing of the component Netlogon. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:
Use after free in Windows Netlogon allows an authorized attacker to deny service over a network.
It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2026-70025 since 08/04/2026. The exploitation appears to be easy. The attack can be launched remotely. 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 10/13/2026).
Applying a patch is able to eliminate this problem.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 23H2
- 11 24H2
- 11 25H2
- 11 26H1
- 11 26H2
- Server 2012
- 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: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
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: No
Local: No
Remote: Yes
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
08/04/2026 CVE reserved10/13/2026 Advisory disclosed
10/13/2026 VulDB entry created
10/13/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-70025 (🔒)
GCVE (CVE): GCVE-0-2026-70025
GCVE (VulDB): GCVE-100-418375
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 10/13/2026 23:48Changes: 10/13/2026 23:48 (63)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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