KEV · Actively exploited
CVE-2021-40450
CVE-2021-40450 is actively exploited (CISA KEV catalog), rated high by the vendor: 0 tracked apps concerned, none still exposed on their current version.
- Severity (CVSS)
- 7.8
- Exploitation
- Confirmed
- Tracked apps
- 0
- Still exposed
- 0
Base CVSS ; severity is a vendor rating (different scale)
CISA KEV · EPSS predicts 1.6 %
Vendor bulletin scale : NVD CVSS pending
Win32k Elevation of Privilege Vulnerability
EPSS
1.58%
predictive model; CISA confirms active exploitation
percentile 74.5%
CISA Known Exploited Vulnerability
- Added to KEV
- 2022-04-25
- Remediation deadline
- 2022-05-16
- Required action
- Apply updates per vendor instructions.
- Ransomware
- Unknown (not documented by CISA)
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2022 Fixed in 10.0.20348.288
- Windows Server 2019 Fixed in 10.0.17763.2237
- Windows 11 21H2 · 2021-H2 Fixed in 10.0.22000.258
- Windows 10 21H1 · 2021-H1 Fixed in 10.0.19043.1288
- Windows 10 20H2 · 2020-H2 Fixed in 10.0.19042.1288
- Windows 10 2004 · 2020-04 Fixed in 10.0.19041.1288
- Windows 10 1909 · 2019-09 Fixed in 10.0.18363.1854
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.2237
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