CVE-2025-33070: Microsoft Windows 10 Version 1507 · Use of Uninitialized Resource
Affects Microsoft Windows 10 Version 1507Source CVE Database V5
Not known to be exploited · CVSS 8.1 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 9.8% chance of exploitation in 30 days – higher than 95% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 10 Jun 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-33070, organizations should prioritize upgrading from Windows 10 Version 1507 to a supported and fully patched Windows release, as this legacy version no longer receives security updates. If upgrading is not immediately feasible, network-level controls should be implemented to restrict access to Netlogon services, such as blocking or filtering traffic on ports used by Netlogon (e.g., TCP/UDP 135, 139, 445). Employ network segmentation to isolate legacy systems from critical infrastructure and sensitive data stores. Monitor network traffic for unusual authentication attempts or privilege escalation activities related to Netlogon. Deploy endpoint detection and response (EDR) solutions capable of detecting anomalous behavior indicative of exploitation attempts. Maintain up-to-date backups and incident response plans to reduce impact in case of compromise. Stay alert for official patches or advisories from Microsoft and apply them promptly once available. Avoid exposing legacy Windows 10 systems directly to untrusted networks, including the internet.
Description
Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privileges over a network.