PT-2025-28626 · Microsoft · Windows Smartscreen+1

Simon Zuckerbraun + 2 · Published 2025-07-08 · Updated 2025-09-11 · CVE-2025-49740

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Windows SmartScreen (affected versions not specified)

Description: A protection mechanism failure in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

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

Protection Mechanism Failure

Weakness Enumeration

CWE-693

Related Identifiers

BDU:2025-08517

CVE-2025-49740

ZDI-25-582

Affected Products

Windows

Windows Smartscreen

References · 11

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49740 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-49740 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-49740 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08517 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/722712 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-25-582 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-49740 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49740 · Security Note
• https://twitter.com/windowsforum/status/1942653631112663233 · Twitter Post
• https://twitter.com/CVEnew/status/1942633676052795773 · Twitter Post
• https://t.me/cvenotify/129390 · Telegram Post