XSS in Adobe Acrobat

CVE-2026-48294

Adobe Acrobat PDF Extension (Chrome) versions 26.5.2.2 and earlier are affected by a UXSS-class cross-origin data disclosure vulnerability. An attacker could exploit this vulnerability to gain access to data regarding the victim's 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. Scope is changed.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-48294: fell from 0.019 to 0.012.

EPSS over last 30 days · oldest: 0.019 · newest: 0.012 · change: -0.007

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-48294?
CVE-2026-48294 is a high-severity vulnerability in Adobe Acrobat, classified under Cross-site Scripting. CVSS score: 7.4/10. Published 2026-06-17.
How severe is CVE-2026-48294?
High severity. CVSS v3 base score is 7.4 out of 10.