VulnerabilityAwaiting Analysis
CVE-2026-66822
Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.
MEDIUM 5.9EPSS 0.78%
Does this matter?
Lower severity and a low EPSS score (0.78%). Track it; it rarely justifies an emergency change on its own.
Description
Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.78% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-201
- Source
- secure@microsoft.com
EPSS moved from 0.7% on 14 October 2026 to 0.8% on 26 October 2026.
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.