CVE-2026-48291 Format Plugins | Heap-based Buffer Overflow (CWE-122)
Heap-based buffer overflow in Adobe Format Plugins allows arbitrary code execution when a user opens a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-48291?
CVE-2026-48291 is a high-severity memory corruption vulnerability in Adobe Format Plugins, published on 9 Jun 2026. 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
Format Plugins versions 1.1.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution 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-122
Which versions are affected by CVE-2026-48291?
It affects 1 product.
Products include Adobe Format Plugins.
How do I fix CVE-2026-48291?
No fix has been published for CVE-2026-48291 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-48291 being exploited?
There is no known exploitation of CVE-2026-48291 in the wild and no public exploit code.
Other vulnerabilities in Adobe Format Plugins
- CVE-2026-48372 Format Plugins | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-48292 Format Plugins | Heap-based Buffer Overflow (CWE-122)
- CVE-2025-61837 Format Plugins | Heap-based Buffer Overflow (CWE-122)
- CVE-2025-61838 Format Plugins | Heap-based Buffer Overflow (CWE-122)
- CVE-2025-61839 Format Plugins | Out-of-bounds Read (CWE-125)
Sources
Also known as GHSA-rf2g-jcmc-354j.