CVE-2026-48294: Adobe Acrobat

What is 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.

CVSS7.4 NVD 3.1

SeverityHIGH

ExploitationNo exploitation reported

EPSS1% · P50

Triage statusNo Known Exploit

ActionPatch this week

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

CWECWE-79

NVD published2026-06-17

NVD last modified2026-06-29

Timeline

2026-06-17Published to the U.S. National Vulnerability Database (NVD)
2026-06-29NVD record last updated

Affected product

Adobe Acrobat

Remediation Steps

Update the Adobe Acrobat Chrome extension to the patched version via the Chrome Web Store
Verify that all users with the extension installed receive the automatic update
Consider temporarily disabling the extension in high-security environments pending full rollout of the patch
Monitor for any evidence of unauthorized WhatsApp Web access or data exfiltration

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 3 of July 2026 (July 20 – 26)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.