Microsoft Windows up to Server 2025 Windows Update Orchestrator Service double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $5k-$25k | 0.70 |
Summary
A vulnerability classified as very critical has been found in Microsoft Windows up to Server 2025. This issue affects some unknown processing of the component Windows Update Orchestrator Service. Performing a manipulation results in double free. This vulnerability is known as CVE-2026-97812. Attacking locally is a requirement. No exploit is available. It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Microsoft Windows up to Server 2025. It has been classified as very critical. This affects some unknown processing of the component Windows Update Orchestrator Service. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2026-97812 since 09/25/2026. 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 10/14/2026).
Applying a patch is able to eliminate this problem.
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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: 7.9VulDB 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 |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / 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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Timeline
09/25/2026 CVE reserved10/14/2026 Advisory disclosed
10/14/2026 VulDB entry created
10/14/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-97812 (🔒)
GCVE (CVE): GCVE-0-2026-97812
GCVE (VulDB): GCVE-100-419775
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 10/14/2026 12:02Changes: 10/14/2026 12:02 (63)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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