Microsoft Exchange Server Remote Code Execution Vulnerability
Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26858
Affected packages
No package-level mapping for this advisory.
Exploit signal
- Known exploited (CISA KEV)
- Yes
- EPSS score
- 89.51%
- EPSS percentile
- 99.8%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 100%.
Sources
No external sources available.
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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