CVE-2026-50355 | BDVDB-2026-348021 Detail

MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2

Description#

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

No public exploit known

7.5 High

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 67.7.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Vulnerable
>= 4.7.0 and < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Fixed
2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0

Not available

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).