PT-2026-24470 · Adobe · Acrobat Reader

Jann Horn + 1 · CVE-2026-27278 · Published 2026-03-10 · Updated 2026-06-24

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Acrobat Reader versions 24.001.30307 through 25.001.21265

Description Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are susceptible to a Use After Free issue. Successful exploitation of this issue could lead to arbitrary code execution with the privileges of the current user. User interaction is required, specifically opening a malicious file, for exploitation to occur.

Recommendations Update Acrobat Reader to a version later than 25.001.21265.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-03019

CVE-2026-27278

ZDI-26-361

Affected Products

Acrobat Reader

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-27278 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb26-26.html · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/729788 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27278 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03019 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-26-361 · Security Note
• https://twitter.com/ptdbugs/status/2031623263265116307 · Twitter Post
• https://twitter.com/aviatrixtrc/status/2042393916956152246 · Twitter Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27278 · Note
• https://twitter.com/CVEnew/status/2031504070259757142 · Twitter Post