Knowledge/KEV Catalog/CVE-2021-26855Corpus

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CVE

CVE-2021-26855

P1⬤ KNOWN RANSOMWARE USE

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft · Exchange Server

Date added (CISA)

2021-11-03

Remediation due

2022-05-03

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

Overview ATT&CK⁴ Related

Related

Nothing linked yet

No threat actor or pipeline report has been cross-referenced against this CVE yet.

Source: NVD ↗ · CISA KEV Catalog ↗

CVE-2021-26855: Microsoft Exchange Server Remote Code Execution Vulnerability · RaqibCTI