CVE-2025-21352: Microsoft Windows 10 Version 1507 · Uncontrolled Resource Consumption
Affects Microsoft Windows 10 Version 1507Source CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 11 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | Affected
| Fixed in– |
AI-suggested
- Upgrade affected systems from Windows 10 Version 1507 to a supported and patched Windows version to eliminate the vulnerability.
- If upgrading is not immediately possible, disable Internet Connection Sharing (ICS) on affected devices to remove the attack surface.
- Implement strict network segmentation and access controls to limit exposure of ICS-enabled devices to untrusted or potentially malicious network segments.
- Monitor network traffic for unusual patterns indicative of resource exhaustion attacks targeting ICS.
- Employ host-based resource monitoring to detect abnormal resource consumption that could signal exploitation attempts.
- Educate IT staff about the vulnerability and ensure incident response plans include steps for ICS-related DoS events.
- Regularly review and update firewall rules to restrict unnecessary network access to ICS services.
- Stay informed about vendor updates and apply patches promptly once released.
Description
Internet Connection Sharing (ICS) Denial of Service Vulnerability