Microsoft Addresses Known Exploited Vulnerabilities - 20260212001¶
Overview¶
Microsoft have published their Monthly Updates addressing multiple critical and known exploited vulnerabilities.
What is vulnerable?¶
Critical Severity¶
| CVE | CVSS | Severity |
|---|---|---|
| CVE-2026-21531 | 9.8 | Critical |
Known Exploitation¶
| CVE | CVSS | Severity |
|---|---|---|
| CVE-2026-21510 | 8.8 | High |
| CVE-2026-21513 | 8.8 | High |
| CVE-2026-21514 | 7.8 | High |
| CVE-2026-21519 | 7.8 | High |
| CVE-2026-21525 | 6.2 | Medium |
| CVE-2026-21533 | 7.8 | High |
What has been observed?¶
Microsoft has detected exploitation of one or more mentioned Vulnerabilities. The WASOC has not received any reports of exploitation of this vulnerability on Western Australian Government networks at the time of writing.
Recommendation¶
The WASOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):
- Microsoft Security Updates: https://msrc.microsoft.com/update-guide/releaseNote/2026-Feb