CVE•Published 2026-04-14•Modified 2026-08-28•1 article on news•4 live references•NVD data
CVE-2026-27303Adobe · Connect
Vulnerability data via NVD (ingested)
CVSS v3.1
9.6
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
47
Exploit Prediction Scoring System · top 53% of all CVEs
Weaknesses (CWE)
Description
Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.
Timeline
Published 2026-04-14
Modified 2026-08-28
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-2026-27303Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Adobe Connect"All exposed Adobe Connect instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Connect"HTTP body or banner mentions "Connect" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-27303Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-27303Censys host search filtered to this CVE id.
grep.app
CVE-2026-27303Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-27303GitHub code search for direct mentions.
Google dork
"CVE-2026-27303" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.