CVE-2021-26857

high-risk
Published 2021-03-03

Microsoft Exchange Server Remote Code Execution Vulnerability

Do I need to act?

!
38.3% chance of exploitation in next 30 days
EPSS score — higher than 62% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Microsoft

References (3)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2685...
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2685...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
69
/ 100
high-risk
Severity 24/34 · High
Exploitability 24/34 · High
Exposure 21/34 · High