Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-81994

CVE-2026-81994MEDIUM

Adobe Adobe Acrobat — Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  C  H  N  N    6.3   .0060   46.9     —

AFFECTED
  Product         Versions     Fixed
  Adobe Acrobat   unspecified  26.002.21901
  Acrobat Reader  unspecified  26.002.21901
  Acrobat 2024    unspecified  24.001.30429

TIMELINE
  Aug 27  Reserved by adobe
  Sep 8   Published (CNA: adobe)
  Sep 10  RESCORED — CVE-2026-81994 (Adobe Acrobat). CVSS 8.2 → 6.3 (NVD).

CWE-1321 · CNA: adobe · CVSS v3.1 · 1 reference · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 27, 2026	Reserved	Reserved by adobe
September 8, 2026	Published	Published (CNA: adobe)
September 10, 2026	RESCORED	RESCORED — CVE-2026-81994 (Adobe Acrobat). CVSS 8.2 → 6.3 (NVD).

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Adobe	Adobe Acrobat	—	—	26.002.21901
Adobe	Acrobat Reader	—	—	26.002.21901
Adobe	Acrobat 2024	—	—	24.001.30429

Weaknesses

CWE-1321

References (1)

https://helpx.adobe.com/security/products/acrobat/apsb26-141.html [Vendor Advisory]

Authoritative record: CVE-2026-81994 at cve.org

Vendors: adobe

Weaknesses: CWE-1321

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-81994 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.