CVE•Published 2026-07-14•Modified 2026-07-14•2 articles on news•5 live references•NVD data
CVE-2026-56164Microsoft · Sharepoint_server
Vulnerability data via NVD (ingested)
CVSS v3.1
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
Timeline
Published 2026-07-14
Modified 2026-07-14
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 tag15,745 hosts
vuln:CVE-2026-56164Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Microsoft Sharepoint Server"All exposed Microsoft Sharepoint Server instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Sharepoint Server"HTTP body or banner mentions "Sharepoint Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-56164Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-56164Censys host search filtered to this CVE id.
grep.app
CVE-2026-56164Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-56164GitHub code search for direct mentions.
Google dork
"CVE-2026-56164" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (5)
CVE-2026-561645 repos
sentinel-aidefense/CVE-2026-56164-EXPunknown
CVE-2026-56164 EOP Exploit
barmi/cve-patch-auditorGo
Audit CVE impact, patch status, remediation progress, and verification results across systems.
sam00/POC-CVE-2026-56164-exploitPython
CVE-2026-56164 is a critical missing-authentication vulnerability affecting on-premises Microsoft SharePoint Server. It allows unauthenticated, remote attackers to elevate privileg…
WismanSec/sharepoint-2026-pocHTML
PoC, IOCs, and detection logic for the SharePoint /_trust WS-Federation BinaryFormatter deserialization chain. Lab reconstruction covering unauthenticated RCE, in-process machine k…
stevologic/security-recipes.aiPython
Turn security findings into bounded agent work: one recipe, scoped context, required proof, and a human-reviewed result.