Search/CVE-2026-47300
● CVE — High

CVE-2026-47300

VendormicrosoftProduct.net, visual studio 2022, visual studio 2026DiscoveredJul 14, 2026UpdatedOct 28, 2026

Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

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CVSS v3.1
8.8 HIGH
EPSS
0.78%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports4
4 intelligence reports available

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EPSS Trend
Aug 16, 2026 → Sep 25, 2026
▲ 0.25pp
0.53% → 0.78% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
5 relationships
Timeline
disclosure → media coverage
Jul 14, 2026
advisories.ncsc.nl reports: NCSC-2026-0235 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Developer Tools
Jul 14, 2026
Disclosure — published as a CVE record. · last revised by NVD Oct 28, 2026