CVE-2021-43215
9.8
CRITICAL · CVSS 3.1 · EPSS 2.9% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.87% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-12-15 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| microsoft | windows 10 |
| microsoft | windows 11 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
References
→ the Explorer · watch your stack · NVD