CVE-2021-31207
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — Exchange Server
Date Added
2021-11-03
Remediation Due
2021-11-17
Ransomware Use
CONFIRMED
https://nvd.nist.gov/vuln/detail/CVE-2021-31207