Microsoft Windows Server 20H2/Server 2016/Server 2019/Server 2022 DNS Server information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $5k-$25k | 0.00 |
A vulnerability was found in Microsoft Windows Server 20H2/Server 2016/Server 2019/Server 2022 (Operating System) and classified as problematic. Affected by this issue is an unknown code of the component DNS Server. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.
The weakness was released 04/12/2022 as confirmed security guidance (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2022-26816. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/18/2022). The MITRE ATT&CK project declares the attack technique as T1592.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.8VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 6.5
Vendor Vector (Microsoft): 🔍
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: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
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: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
03/09/2022 🔍04/12/2022 🔍
04/12/2022 🔍
04/12/2022 🔍
04/18/2022 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2022-26816 (🔍)
Entry
Created: 04/12/2022 22:09Updated: 04/18/2022 08:09
Changes: 04/12/2022 22:09 (35), 04/12/2022 22:13 (20), 04/18/2022 08:03 (2), 04/18/2022 08:09 (11)
Complete: 🔍
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