peter bassill · operator
$ cve CVE-2021-26877 JSON

CVE-2021-26877

9.8
CRITICAL · CVSS 3.1 · EPSS 17.6% (pctl 97)

Patch early

EPSS 17.6% — above the 10% action threshold.

Description

Windows DNS Server Remote Code Execution Vulnerability

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS17.6% — more likely to be exploited than 97% of all CVEs
On CISA KEVno
Public exploitnone known
Published2021-03-11
Last modified2026-08-19

Affected (4)

VendorProduct
microsoftwindows server 2008
microsoftwindows server 2012
microsoftwindows server 2016
microsoftwindows server 2019

References

→ the Explorer  ·  watch your stack  ·  NVD