CVE-2023-21805
HIGHCVSS 7.8/10EPSS 0.74%
Last modified
CVE-2023-21805 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Windows MSHTML Platform Remote Code Execution Vulnerability. EPSS estimates a 0.74% chance of exploitation in the next 30 days.
Description
Windows MSHTML Platform Remote Code Execution Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 10 | < 10.0.10240.19747 | — |
| Microsoft | Windows 10 1607 | < 10.0.14393.5717 | — |
| Microsoft | Windows 10 1809 | < 10.0.17763.4010 | — |
| Microsoft | Windows 10 20h2 | < 10.0.19042.2604 | — |
| Microsoft | Windows 10 21h2 | < 10.0.19044.2604 | — |
| Microsoft | Windows 10 22h2 | < 10.0.19045.2604 | — |
| Microsoft | Windows 11 21h2 | < 10.0.22000.1574 | — |
| Microsoft | Windows 11 22h2 | < 10.0.22621.1265 | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2019 | All versions | — |
| Microsoft | Windows Server 2022 | All versions | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21805Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21805Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-21805?
Windows MSHTML Platform Remote Code Execution Vulnerability
How severe is CVE-2023-21805?
CVE-2023-21805 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21805?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-21805?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST