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.
Timeline
- 2026-06-17Published to the U.S. National Vulnerability Database (NVD)
- 2026-10-26NVD 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)
Related vulnerabilities
- CVE-2026-34621 – Adobe Acrobat And Reader (same product)
- CVE-2026-75682 – Adobe Connect (same vendor)
- CVE-2026-75650 – Adobe Commerce And Magento (same vendor)
- CVE-2026-48362 – Adobe Coldfusion (same vendor)
- CVE-2026-71362 – Adobe Commerce And Magento (same vendor)
- CVE-2026-48449 – Adobe Campaign (same vendor)
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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.