CVE-2025-62452: Microsoft Windows 10 Version 1607 · Heap-based Buffer Overflow
Affects Microsoft Windows 10 Version 1607Source CVE Database V5
Not known to be exploited · CVSS 8.0 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 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 1607 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-62452 effectively, organizations should first assess and inventory all systems running Windows 10 Version 1607 with RRAS enabled. Restrict network exposure of RRAS services by implementing strict firewall rules and network segmentation to limit access only to trusted hosts and networks. Enforce the principle of least privilege by ensuring users and services have minimal necessary permissions, reducing the risk of exploitation by authorized attackers. Disable RRAS on systems where it is not essential. Monitor network traffic and system logs for unusual activity related to RRAS connections or memory corruption indicators. Employ endpoint detection and response (EDR) tools capable of detecting anomalous behavior linked to buffer overflow exploitation. Prepare for patch deployment by establishing a rapid update process once Microsoft releases an official fix. Additionally, educate users about the risks of interacting with unsolicited network requests that could trigger the vulnerability. Consider upgrading affected systems to a supported Windows version with ongoing security updates to reduce exposure to legacy vulnerabilities.
Description
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.