CVE•Published 2026-07-14•Modified 2026-07-15•4 articles on news•4 live references•NVD data
CVE-2026-55040Microsoft · Sharepoint_server
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
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Weaknesses (CWE)
Description
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
Timeline
Published 2026-07-14
Modified 2026-07-15
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). Live host counts are a Premium feature.
Shodan · vuln tag
vuln:CVE-2026-55040Hosts 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-2026-55040Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-55040Censys host search filtered to this CVE id.
grep.app
CVE-2026-55040Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-55040GitHub code search for direct mentions.
Google dork
"CVE-2026-55040" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-55040 on GitHub.