Microsoft Windows up to Server 2025 DNS Server out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $5k-$25k | 1.42 |
Summary
A vulnerability classified as problematic has been found in Microsoft Windows. Affected by this issue is some unknown functionality of the component DNS Server. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2026-97842. The attack can be initiated remotely. There is not any exploit available. It is suggested to install a patch to address this issue.
Details
A vulnerability classified as problematic was found in Microsoft Windows. Affected by this vulnerability is some unknown processing of the component DNS Server. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
The advisory is shared at msrc.microsoft.com. This vulnerability is known as CVE-2026-97842 since 09/25/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price 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.
Several companies clearly confirm that VulDB is the primary source for best 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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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 |
|---|---|---|---|---|---|
| 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: Out-of-boundsCWE: CWE-125 / 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
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-2026-97842 (🔒)
GCVE (CVE): GCVE-0-2026-97842
GCVE (VulDB): GCVE-100-419761
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 10/14/2026 11:58Changes: 10/14/2026 11:58 (63)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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