CVE•Published 2026-09-08•Modified 2026-09-17•0 articles on news•4 live references•NVD data
CVE-2026-81394Microsoft · 365_apps
Vulnerability data via NVD (ingested)
CVSS v3.1
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS percentile
33
Exploit Prediction Scoring System · top 67% of all CVEs
Description
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
Timeline
Published 2026-09-08
Modified 2026-09-17
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-2026-81394Hosts 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-2026-81394Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-81394Censys host search filtered to this CVE id.
grep.app
CVE-2026-81394Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-81394GitHub code search for direct mentions.
Google dork
"CVE-2026-81394" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-81394 on GitHub.
We haven't classified any articles referencing CVE-2026-81394 yet. The external references above still apply.