CVE•Published 2026-08-11•Modified 2026-08-13•1 article on news•5 live references•NVD data
CVE-2026-65807Microsoft · 365_apps
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS percentile
37
Exploit Prediction Scoring System · top 63% of all CVEs
Description
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Timeline
Published 2026-08-11
Modified 2026-08-13
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-2026-65807Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Microsoft 365 Apps"All exposed Microsoft 365 Apps instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"365 Apps"HTTP body or banner mentions "365 Apps" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-65807Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-65807Censys host search filtered to this CVE id.
grep.app
CVE-2026-65807Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-65807GitHub code search for direct mentions.
Google dork
"CVE-2026-65807" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-65807 on GitHub.