Adobe Issues Emergency Patch for Critical PDF Flaw Exploited For Months
ID: 88ae195a-685f-56b5-b525-dc0e7f25117c
STIX ID: report--88ae195a-685f-56b5-b525-dc0e7f25117c
Feed Name: TechRepublic Security
Threat Score
Adobe released an emergency patch for CVE-2026-34621, a critical PDF zero-day exploited in the wild that enables remote code execution and theft of local files by abusing privileged JavaScript APIs (e.g., util.readFileIntoStream and RSS.addFeed); affected Acrobat/Reader versions across Windows and macOS have been patched and users are urged to update immediately as the exploit is stealthy and evades traditional detection.
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