GHSA-9w4f-2qq2-5rc9

GHSA-9w4f-2qq2-5rc9 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published February 10, 2026

Improper neutralization of special elements used in a command ('command injection') in Windows Notepad App allows an unauthorized attacker to execute code over a network.

Risk scores

CVSS 4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Timeline

Feb 10, 2026 CVE Published
May 1, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-9w4f-2qq2-5rc9
vulnetix vdb fixes GHSA-9w4f-2qq2-5rc9

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-9w4f-2qq2-5rc9/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

https://nvd.nist.gov/vuln/detail/CVE-2026-20841 advisory
https://news.ycombinator.com/item?id=46971516 url
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20841 url

Look up in the Resolve Platform →