CVE•Published 2026-05-14•Modified 2026-06-15•1 article on news•6 live references•NVD data
CVE-2026-42897Microsoft · Exchange_server
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS percentile
92
Exploit Prediction Scoring System · top 8% of all CVEs
Weaknesses (CWE)
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Timeline
Published 2026-05-14
Modified 2026-06-15
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-2026-42897Hosts 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-2026-42897Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-42897Censys host search filtered to this CVE id.
grep.app
CVE-2026-42897Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-42897GitHub code search for direct mentions.
Google dork
"CVE-2026-42897" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2026-428974 repos
nomi-sec/PoC-in-GitHubunknown
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
elbelicojackson-hue/haking-code-TypeScript
DarkFunct/TK-CVE-RepoPython
TK-CVE-Repo
atiilla/CVE-2026-42897PowerShell
CVE-2026-42897 - Exchange Health Checker blind spot: outbound IIS URL Rewrite rules silently ignored, making EOMT mitigations invisible in diagnostic reports.