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CVE-2026-47923: Acrobat Reader | Out-of-bounds Read (CWE-125)

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-09 · updated 2026-08-28
• Weakness: CWE-125

Description

Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Acrobat for Edge: from 24.0.0 before 24.001.30383 — fixed in 24.001.30383
• Adobe Acrobat DC: from 15.008.20082 before 26.001.21662 — fixed in 26.001.21662
• Adobe Acrobat Reader: from 15.008.20082 before 26.001.21662 — fixed in 26.001.21662

How to fix

Upgrade to a fixed version: Adobe Acrobat for Edge 24.001.30383; Adobe Acrobat DC 26.001.21662; Adobe Acrobat Reader 26.001.21662. Check the vendor advisory for mitigations.

References

• https://helpx.adobe.com/security/products/acrobat/apsb26-63.html

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