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Microsoft

Use of uninitialized resource in ASP.NET Core allows an unauthorized attacker to disclose information over a network

CVE-2026-114150

What this means

This is rated medium severity (5.9 out of 10). There is no confirmed exploitation of it yet.

Full vendor description

Use of uninitialized resource in ASP.NET Core allows an unauthorized attacker to disclose information over a network.

Scoring and exploitation

5.9/ 10
CVSS 3.1 base scoreMedium

Exploitable over the network without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityNoneI:N
AvailabilityNoneA:N
Not reported
Exploited in the wild
Not confirmed in the
Not reported

Weaknesses

CWE-908

References

1 link from the CVE record, grouped by site.