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VulnerabilityPublished Updated

CVE-2025-21352: Microsoft Windows 10 Version 1507 · Uncontrolled Resource Consumption

Affects Microsoft Windows 10 Version 1507Source CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
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:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Feb 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
Microsoft Windows 10 Version 1507Affected
  • =10.0.10240.0
Fixed in–

AI-suggested

  1. Upgrade affected systems from Windows 10 Version 1507 to a supported and patched Windows version to eliminate the vulnerability.
  2. If upgrading is not immediately possible, disable Internet Connection Sharing (ICS) on affected devices to remove the attack surface.
  3. Implement strict network segmentation and access controls to limit exposure of ICS-enabled devices to untrusted or potentially malicious network segments.
  4. Monitor network traffic for unusual patterns indicative of resource exhaustion attacks targeting ICS.
  5. Employ host-based resource monitoring to detect abnormal resource consumption that could signal exploitation attempts.
  6. Educate IT staff about the vulnerability and ensure incident response plans include steps for ICS-related DoS events.
  7. Regularly review and update firewall rules to restrict unnecessary network access to ICS services.
  8. Stay informed about vendor updates and apply patches promptly once released.

Description

Internet Connection Sharing (ICS) Denial of Service Vulnerability

References

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