CVE-2025-27203

Name: CVE-2025-27203
Creator: NVD / NIST
Published: 2025-07-08T22:15:24.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2025-27203 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Adobe Connect versions 24.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could lead to arbitrary code execution by an attacker. Exploitation of this issue does require user interaction and scope is changed.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

Adobe Connect versions 24.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could lead to arbitrary code execution by an attacker. Exploitation of this issue does require user interaction and scope is changed.

Metrics

CVSS 3.1

9.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.99%

58.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Adobe	Connect Desktop Application	< 2025.5.5

References

https://helpx.adobe.com/security/products/connect/apsb25-61.htmlVendor Advisory

Timeline

Published: Jul 8, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27203?

How severe is CVE-2025-27203?

CVE-2025-27203 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST