CVE-2026-21271 is an Improper Input Validation vulnerability affecting Adobe Dreamweaver Desktop versions 21.6 and earlier on Windows and macOS. This flaw could lead to arbitrary code execution with the privileges of the current user. Exploitation requires user interaction, specifically opening a malicious file, and has a CVSS score of 8.6 (High) due to its high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 21.7CPE matchmatch criteria | cpe:2.3:a:adobe:dreamweaver:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.