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CVE-2025-48822VulnerabilityPublished Updated

CVE-2025-48822: Microsoft Windows 10 Version 1607 · Out-of-bounds Read

Affects Microsoft Windows 10 Version 1607Source CVE Database V5

0

Not known to be exploited · CVSS 8.6 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jul 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Microsoft Windows 10 Version 1607Affected
  • =10.0.14393.0
Fixed in–

AI-suggested

Immediate mitigation should focus on upgrading affected systems to a supported Windows version with active security updates, as Windows 10 Version 1607 is outdated and no patches are currently available. Organizations should audit their environments to identify any remaining systems running this version and prioritize their upgrade or decommissioning. Restrict local access to critical systems by enforcing strict access controls, using endpoint protection solutions, and applying the principle of least privilege to limit user permissions. Implement user awareness training to reduce the risk of social engineering that could trigger user interaction required for exploitation. Monitor system logs and Hyper-V activity for unusual behavior indicative of exploitation attempts. Employ network segmentation to isolate legacy systems and reduce the attack surface. If upgrading is not immediately feasible, consider disabling Hyper-V if it is not essential, or applying any available temporary workarounds recommended by Microsoft or security advisories. Maintain up-to-date backups and incident response plans to quickly recover from potential compromises.

Description

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

References

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