Search/CVE-2026-21529
● CVE — Medium

CVE-2026-21529

VendormicrosoftProductazure hdinsightDiscoveredFeb 10, 2026UpdatedFeb 11, 2026

Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.

CVSS v3.1
5.7 MEDIUM
EPSS
0.66%
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
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.04pp
0.62% → 0.66% over 4 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Connections
3 relationships
Timeline
disclosure → media coverage
Feb 10, 2026
Disclosure — published as a CVE record.
Feb 10, 2026
advisories.ncsc.nl reports: NCSC-2026-0057 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Azure