9.8
Critical
Exploited
CVE-2021-31166 Microsoft HTTP Protocol Stack Remote Code Execution Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
Description
HTTP Protocol Stack Remote Code Execution Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 2004 10.0 | 10.0.0 → < 10.0.19041.982 | 10.0.19041.982 |
| Windows Server version 2004 10.0 | 10.0.0 → < 10.0.19041.982 | 10.0.19041.982 |
| Windows 10 Version 20H2 10.0 | 10.0.0 → < 10.0.19042.982 | 10.0.19042.982 |
| Windows Server version 20H2 10.0 | 10.0.0 → < 10.0.19042.982 | 10.0.19042.982 |
References
- portal.msrc.microsoft.com portal.msrc.microsoft.com
- packetstormsecurity.com packetstormsecurity.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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