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7.4 — HIGH

Adobe fixes Chrome extension flaw that could expose WhatsApp chats

📅 22 July 2026 at 15:40 UTC📰 Cyber InsiderView original source ↗
Adobe fixes Chrome extension flaw that could expose WhatsApp chats

A chain of vulnerabilities in the Adobe Acrobat Chrome extension could have allowed attackers to steal content from a victim's WhatsApp Web session simply by luring them to a malicious website. Adobe fixed the flaws within days of the report and assigned the issue CVE-2026-48294. Guardio researcher Shaked Biner discovered the vulnerability shortly after Adobe … The post Adobe fixes Chrome extension flaw that could expose WhatsApp chats appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A chain of vulnerabilities in the Adobe Acrobat Chrome extension allowed attackers to steal WhatsApp chat content by luring victims to a malicious website, exploiting a UXSS-class cross-origin data disclosure vulnerability (CVE-2026-48294). The attack required user interaction and did not rely on malware or stolen credentials.

⚙️Technical Details
CVEs
CVE-2026-48294
Affected Systems
Adobe Acrobat PDF Extension (Chrome)
Attack Vectors
NETWORK
💥Impact Assessment
Severity: high
🛡️Recommended Actions
1Ensure running the latest version of the Adobe Acrobat Chrome extension
2Remove unused extensions with broad permissions
3Limit the number of extensions with broad permissions
📦Affected Products
Adobe AcrobatAdobe Acrobat PDF Extension (Chrome)
🔐NVD Verified DataVERIFIED
CVE-2026-48294 ↗CVSS 7.4 — HIGH
Attack Vector
NETWORK
Complexity
LOW
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Weaknesses
CWE-79
Affected Products (CPE)
Adobe Acrobat

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