01 Record
CVE-2021-41342
Windows MSHTML Platform Remote Code Execution Vulnerability
MediumPUBLISHEDCNA: microsoft
CNA base score6.8 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
02 Description
Windows MSHTML Platform Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.62% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 75.7% of scored records. A rank, not a probability.
- NVD base score
- 6.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-10-13 00:28Z5 YR AGO
- Last updated
- 2024-08-04 03:08Z2 YR AGO
- Reserved
- 2021-09-17
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- e09a8698b917f91f435dec038db4ada510ab0fc6e84d5a7c654bfca53cbf69bc
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 180910.0.0 to < 10.0.17763.223732-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows 10 Version 190910.0.0 to < 10.0.18363.185432-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows 10 Version 21H110.0.0 to < 10.0.19043.1288x64-based Systems, ARM64-based Systems, 32-bit Systems
MicrosoftWindows 10 Version 200410.0.0 to < 10.0.19041.128832-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 8.16.3.0 to < 6.3.9600.20144, 6.3.0 to < 1.00132-bit Systems, x64-based Systems, ARM64-based Systems
MicrosoftWindows Server 2008 Service Pack 26.0.0 to < 6.0.6003.21251, 6.0.0 to < 1.00132-bit Systems
MicrosoftWindows Server 2008 Service Pack 26.0.0 to < 6.0.6003.21251, 6.0.0 to < 1.001x64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 16.1.0 to < 6.1.7601.25740, 6.1.0 to < 1.001x64-based Systems
06 References
- portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41342