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CVE-2025-59295VulnerabilityPublished Updated

CVE-2025-59295: Microsoft Windows 10 Version 1507 · Heap-based Buffer Overflow

Affects Microsoft Windows 10 Version 1507Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.9% chance of exploitation in 30 days – higher than 79% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 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 1507Affected
  • =10.0.10240.0
Fixed in–

AI-suggested

To mitigate CVE-2025-59295, organizations should prioritize upgrading from Windows 10 Version 1507 to a supported and patched Windows 10 release or later versions, as this early build is no longer supported and lacks security updates. If upgrading is not immediately feasible, organizations should disable or restrict Internet Explorer usage, especially for untrusted websites, by configuring Group Policy to enforce default browsers or using Application Control policies to block IE execution. Employ network-level protections such as web filtering and intrusion prevention systems to block access to known malicious sites and detect exploit attempts. Enable Enhanced Mitigation Experience Toolkit (EMET) or Windows Defender Exploit Guard features to harden memory protections against buffer overflow exploits. Conduct user awareness training to reduce the risk of social engineering attacks that could trigger the vulnerability. Monitor endpoint and network logs for anomalous behavior indicative of exploitation attempts. Maintain regular backups and incident response plans to recover from potential compromises. Finally, stay informed about official patches or advisories from Microsoft and apply them promptly once available.

Description

Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a network.

References

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