Microsoft Windows up to Server 2025 Windows Cloud Files Mini Filter Driver toctou
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $5k-$25k | 0.30+ |
Summary
A vulnerability was found in Microsoft Windows up to Server 2025. It has been classified as very critical. This affects an unknown function of the component Windows Cloud Files Mini Filter Driver. The manipulation leads to toctou. This vulnerability is referenced as CVE-2026-112810. The attack can only be performed from a local environment. No exploit is available. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Microsoft Windows up to Server 2025. It has been rated as very critical. This issue affects an unknown code block of the component Windows Cloud Files Mini Filter Driver. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
It is possible to read the advisory at msrc.microsoft.com. The identification of this vulnerability is CVE-2026-112810 since 10/19/2026. The exploitation is known 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 11/10/2026).
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
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: ToctouCWE: CWE-367 / CWE-362
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
10/19/2026 CVE reserved11/10/2026 Advisory disclosed
11/10/2026 VulDB entry created
11/10/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CNA: microsoft
CVE: CVE-2026-112810 (🔒)
GCVE (CVE): GCVE-0-2026-112810
GCVE (VulDB): GCVE-100-434915
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 11/10/2026 22:43Changes: 11/10/2026 22:43 (63)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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