Acrobat Reader | Out-of-bounds Read (CWE-125)
CVE-2026-81978 is fixed in 2 products on 2 platforms, first by Adobe Acrobat Reader DC 26.002.21901, released September 7, 2026. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: Routine.
Acrobat Reader is 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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Adobe Acrobat Reader DC | 26.002.21901 | Adobe Acrobat Reader DC 26.002.21901 | Sep 7, 2026 |
| Adobe Acrobat Reader DC (64-bit) | 26.002.21901 | Adobe Acrobat Reader DC (64-bit) 26.002.21901 | Sep 7, 2026 |
| No fix yet | |||
| Adobe Acrobat Reader (macOS) | No fix yet | no-fix | n/a |
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