KEV · Actively exploited
CVE-2021-34448
MEDIUM 6.8
KEV
Scripting Engine Memory Corruption Vulnerability
Attack vector : Network
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
40.06%
moderate exploit risk
percentile 98.5%
CISA Known Exploited Vulnerability
- Added to KEV
- 2021-11-03
- Remediation deadline
- 2021-11-17
- 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 2019 Fixed in 10.0.17763.2061
- Windows Server 2016 Fixed in 10.0.14393.4530
- Windows 10 21H1 · 2021-H1 Fixed in 10.0.19043.1110
- Windows 10 20H2 · 2020-H2 Fixed in 10.0.19042.1110
- Windows 10 2004 · 2020-04 Fixed in 10.0.19041.1110
- Windows 10 1909 · 2019-09 Fixed in 10.0.18363.1679
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.2061
- Windows 10 1607 · 2016-07 Fixed in 10.0.14393.4530