CVE-2026-27245 Adobe CVE debrief

Who should care

Administrators and users of Adobe Connect, as well as security teams responsible for monitoring and patching vulnerabilities in web applications, should take immediate action to patch or mitigate the vulnerability. The vulnerability has a high CVSS score of 9.3, indicating critical severity, and exploitation could lead to elevated access or control over the victim's account or session.

Technical summary

The CVE-2026-27245 vulnerability affects Adobe Connect versions 2025.3, 12.10, and earlier, allowing for reflected Cross-Site Scripting (XSS) attacks. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. The vulnerability has a high CVSS score of 9.3, indicating critical severity.

Defensive priority

Critical vulnerability in Adobe Connect, requiring immediate attention due to high CVSS score of 9.3 and potential for elevated access or control.

Recommended defensive actions

• Inventory and triage of Adobe Connect installations
• Application of vendor-provided patches or updates
• Monitoring for suspicious user interactions
• Implementation of compensating controls, such as web application firewalls
• Retest and exception tracking for vulnerable systems
• Review relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE-2026-27245 vulnerability affects Adobe Connect versions 2025.3, 12.10, and earlier, allowing for reflected Cross-Site Scripting (XSS) attacks. User interaction is required for exploitation. The vulnerability has a high CVSS score of 9.3, indicating critical severity. Administrators and users of Adobe Connect should take immediate action to patch or mitigate the vulnerability. Evidence of exploitation in the wild is limited, but defenders should verify the presence of affected systems and apply vendor-provided patches or updates. Additional information can be found in the official CVE Program record and NIST NVD detail page.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.