Microsoft Monthly Security Updates - 20251015001¶
Overview¶
Microsoft has released its October 2025 Monthly Security Updates, addressing multiple critical severity vulnerabilities, including mutliple zero-day vulnerabilities.
What is vulnerable?¶
Critical Severity¶
| Products and Versions Affected | CVE | CVSS | Severity |
|---|---|---|---|
| Vendor noted products and versions | CVE-2025-59287 | 9.8 | Critical |
| Vendor noted products and versions | CVE-2025-55315 | 9.9 | Critical |
| Vendor noted products and versions | CVE-2025-49708 | 9.9 | Critical |
Known Exploitation¶
| Products and Versions Affected | CVE | CVSS | Severity |
|---|---|---|---|
| Vendor noted products and versions | CVE-2025-24990 | 7.8 | High |
| Vendor noted products and versions | CVE-2025-59230 | 7.8 | High |
What has been observed?¶
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):