AEGLIX vulnerability intelligence
CVE-2025-59287
CRITICAL · CVSS 9.8 · Analyzed
Published: 2025-10-14 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-502
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2025-10-24
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2025-11-14
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.14393.8524
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.7922
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.20348.4297
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.25398.1916
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.26100.6905
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287
Vendor Advisory
- https://hawktrace.com/blog/CVE-2025-59287
Exploit · Third Party Advisory
- https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-windows-server-wsus-flaw-exploited-in-attacks/
Press/Media Coverage
- https://www.vicarius.io/vsociety/posts/cve-2025-59287-detection-script-rce-vulnerability-in-windows-server-update-service
Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-59287-mitigation-script-rce-vulnerability-in-windows-server-update-service
Mitigation · Third Party Advisory
- https://gist.github.com/hawktrace/880b54fb9c07ddb028baaae401bd3951
Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59287
Third Party Advisory · US Government Resource