Microsoft Windows up to Server 2025 Active Directory Domain Services null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $5k-$25k | 0.00+ |
Summary
A vulnerability marked as critical has been reported in Microsoft Windows. This issue affects some unknown processing of the component Active Directory Domain Services. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-62762. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Microsoft Windows and classified as critical. This issue affects an unknown code of the component Active Directory Domain Services. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
It is possible to read the advisory at msrc.microsoft.com. The identification of this vulnerability is CVE-2026-62762 since 07/14/2026. The exploitation is known to be easy. The attack may be initiated 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 09/08/2026).
Applying a patch is able to eliminate this problem.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
- 10 21H2
- 10 22H2
- 10 1607
- 10 1809
- 11 23H2
- 11 24H2
- 11 25H2
- 11 26H1
- 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: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (microsoft): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
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: PatchStatus: 🔍
0-Day Time: 🔒
Timeline
07/14/2026 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-2026-62762 (🔒)
GCVE (CVE): GCVE-0-2026-62762
GCVE (VulDB): GCVE-100-400019
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 09/08/2026 19:56Changes: 09/08/2026 19:56 (63)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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