CVE-2023-26396 Privilege escalation in Acrobat Reader

What is CVE-2023-26396?

CVE-2023-26396 is a high-severity vulnerability in Adobe Acrobat, published on 12 Apr 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by a Creation of Temporary File in Directory with Incorrect Permissions vulnerability that could result in privilege escalation in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-379

Which versions are affected by CVE-2023-26396?

It affects 4 products.

Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader, Adobe Acrobat Reader Dc.

How do I fix CVE-2023-26396?

No fix has been published for CVE-2023-26396 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-26396 being exploited?

There is no known exploitation of CVE-2023-26396 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat

• CVE-2021-28550 Adobe Acrobat and Reader Use-After-Free Exploited Critical 9.6
• CVE-2021-21017 Adobe Acrobat and Reader Heap-based Buffer Overflow Exploited High 8.8
• CVE-2014-0546 Adobe Reader and Acrobat Sandbox Bypass Exploited High 8.8
• CVE-2014-0496 Adobe Reader and Acrobat Use-After-Free Exploited High 8.8
• CVE-2013-3346 Adobe Reader and Acrobat Memory Corruption Exploited High 8.8

All Adobe Acrobat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r2vx-jcp9-xj38.