CVE•Published 2023-02-14•Modified 2026-08-19•1 article on news•5 live references•NVD data
CVE-2023-21818Microsoft · Windows_10
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
99
Exploit Prediction Scoring System · top 1% of all CVEs
Weaknesses (CWE)
Description
Windows Secure Channel Denial of Service Vulnerability
Timeline
Published 2023-02-14
Modified 2026-08-19
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-21818Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Windows 10"Hosts Shodan identified as running Windows 10.
More intel sources (5)
Shodan report
vuln:CVE-2023-21818Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-21818Censys host search filtered to this CVE id.
grep.app
CVE-2023-21818Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-21818GitHub code search for direct mentions.
Google dork
"CVE-2023-21818" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.