CVE-2026-81994 Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
An attacker can read sensitive files by exploiting prototype pollution in Adobe Acrobat Reader when a victim 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-2026-81994?
CVE-2026-81994 is a high-severity vulnerability in Adobe Acrobat, published on 8 Sep 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
Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
Weakness: CWE-1321
Which versions are affected by CVE-2026-81994?
It affects 3 products.
Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader Dc.
How do I fix CVE-2026-81994?
No fix has been published for CVE-2026-81994 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-81994 being exploited?
There is no known exploitation of CVE-2026-81994 in the wild and no public exploit code.
Other vulnerabilities in Adobe Acrobat
Sources
Also known as GHSA-48q3-3jc4-wq7c.