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Windows SmartScreen Security Feature Bypass Vulnerability

🗓️ 13 Oct 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 3 Views

Unauthorized attacker can bypass Windows SmartScreen security feature over a network.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-108463
13 Oct 202621:05
–circl
cve
CVE
CVE-2026-108463
13 Oct 202619:01
–cve
cvelist
Cvelist
CVE-2026-108463 Windows SmartScreen Security Feature Bypass Vulnerability
13 Oct 202619:01
–cvelist
euvd
EUVD
EUVD-2026-100457
13 Oct 202619:01
–euvd
mskb
Microsoft KB
October 13, 2026—KB5127646 (OS Build 28000.3231)
13 Oct 202614:00
–mskb
mskb
Microsoft KB
October 13, 2026—KB5127648 (OS Builds 26300.9711, 26200.9711 and 26100.9711)
13 Oct 202614:00
–mskb
nvd
NVD
CVE-2026-108463
13 Oct 202619:18
–nvd
ptsecurity
Positive Technologies
PT-2026-112025
13 Oct 202600:00
–ptsecurity
Vulners
Node
OR
microsoftwindows_11_24h2Range<10.0.26100.9711x64
microsoftwindows_11_24h2Range<10.0.26100.9711x64
microsoftwindows_11_26h1Range<10.0.28000.3231x64
microsoftwindows_11_26h1Range<10.0.28000.3231x64
microsoftwindows_11_25h2Range<10.0.26200.9711x64
microsoftwindows_11_25h2Range<10.0.26200.9711x64

Data

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13 Oct 2026 14:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
3