Microsoft Windows up to Server 2022 Win32k Local Privilege Escalation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Microsoft Windows up to Server 2022. This issue affects some unknown processing of the component Win32k. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2023-28274. The attack needs to be launched locally. No exploit is available. It is suggested to install a patch to address this issue.
Details
A vulnerability has been found in Microsoft Windows up to Server 2022 (Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Win32k. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 04/11/2023 as confirmed security guidance (Website). The advisory is shared at portal.msrc.microsoft.com. This vulnerability is known as CVE-2023-28274. 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 04/29/2023).
It is declared as proof-of-concept.
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Several companies clearly confirm that VulDB is the primary source for best 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: 7.8VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍
CNA Base Score: 7.8
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: Local Privilege EscalationCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
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
03/13/2023 🔍04/11/2023 🔍
04/11/2023 🔍
04/11/2023 🔍
04/29/2023 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: portal.msrc.microsoft.com
Status: Confirmed
CVE: CVE-2023-28274 (🔍)
GCVE (CVE): GCVE-0-2023-28274
GCVE (VulDB): GCVE-100-225625
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 04/11/2023 21:05Updated: 04/29/2023 02:37
Changes: 04/11/2023 21:05 (34), 04/11/2023 21:08 (20), 04/29/2023 02:29 (2), 04/29/2023 02:37 (10)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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