CVE•Published 2026-06-09•Modified 2026-06-17•1 article on news•5 live references•NVD data
CVE-2026-45583Microsoft · Exchange_server
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS percentile
35
Exploit Prediction Scoring System · top 65% of all CVEs
Weaknesses (CWE)
Description
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Timeline
Published 2026-06-09
Modified 2026-06-17
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-2026-45583Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Microsoft Exchange Server" version:"2016"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Exchange Server"HTTP body or banner mentions "Exchange Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-45583Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45583Censys host search filtered to this CVE id.
grep.app
CVE-2026-45583Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45583GitHub code search for direct mentions.
Google dork
"CVE-2026-45583" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-45583 on GitHub.