PT-2025-42154 · Microsoft · Internet Explorer+1

Published 2025-10-14 · Updated 2026-01-18 · CVE-2025-59295

Positive Technologies · (AI Summary)

CVSS v2.0

10

High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Internet Explorer (affected versions not specified) Windows (affected versions not specified)

Description A heap-based buffer overflow exists in Microsoft Internet Explorer and the Windows URL Parsing component. This flaw allows a remote attacker to execute arbitrary code by exploiting a vulnerability in how Internet Explorer handles specific web content or how Windows parses URLs. Successful exploitation could lead to full system compromise. The vulnerability is related to a buffer overflow in dynamic memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-13080

CVE-2025-59295

Affected Products

Internet Explorer

Windows

References · 15

• https://safe-surf.ru/specialists/bulletins-nkcki/725741 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59295 · Security Note
• https://osv.dev/vulnerability/CVE-2025-59295 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-59295 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-13080 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-59295 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59295 · Vendor Advisory
• https://twitter.com/h4urek/status/1982817225863020584 · Twitter Post
• https://t.me/true_secator/7760 · Telegram Post
• https://twitter.com/CveTodo/status/1978178258643325157 · Twitter Post
• https://twitter.com/CVEnew/status/1978171244014092514 · Twitter Post
• https://twitter.com/_patchpoint_/status/1988138273307529682 · Twitter Post
• https://t.me/aptreports/24781 · Telegram Post
• https://twitter.com/TweetThreatNews/status/2003843149257437571 · Twitter Post
• https://t.me/msrcreports/2211 · Telegram Post