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CVE-2026-81994— Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

Quick assessment

Affected
Adobe Adobe Acrobat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Acrobat Reader 存在“对象原型属性修改控制不当”（也称为“原型污染”）漏洞，可能导致任意文件读取。攻击者可利用此漏洞访问超出预期访问范围的敏感文件和目录。利用该问题需要用户交互：受害者必须打开一个恶意文件。该漏洞的影响范围已被重新界定。

CVSS 8.2 · High

Possible ATT&CK Techniques 2 AI

T1079 T1207 · Rogue Domain Controller
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I. Basic Information for CVE-2026-81994

Vulnerability Information
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Vulnerability Title
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Adobe Acrobat 0 ~ 26.002.21900 -
Adobe Acrobat Reader 0 ~ 26.002.21900 -
Adobe Acrobat 2024 0 ~ 24.001.30383 -

II. Public POCs for CVE-2026-81994

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III. Intelligence Information for CVE-2026-81994

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Vendor Advisories for CVE-2026-81994 (1)

Same Patch Batch · Adobe · 2026-09-08 · 167 CVEs total

CVE-2026-82004 10.0 CRITICAL Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS C
CVE-2026-19232 9.9 CRITICAL Adobe Experience Manager | Incorrect Authorization (CWE-863)
CVE-2026-48273 9.9 CRITICAL ColdFusion | Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval In
CVE-2026-76201 9.3 CRITICAL Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
CVE-2026-76200 9.3 CRITICAL Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
CVE-2026-75746 9.1 CRITICAL ColdFusion | Improper Neutralization of Special Elements used in an SQL Command ('SQL Inje
CVE-2026-81996 8.8 HIGH Acrobat Reader | Incorrect Authorization (CWE-863)
CVE-2026-77111 8.7 HIGH Adobe Commerce | Incorrect Authorization (CWE-863)
CVE-2026-77774 8.6 HIGH Adobe Commerce | Incorrect Authorization (CWE-863)
CVE-2026-77109 8.6 HIGH Adobe Commerce | Incorrect Authorization (CWE-863)
CVE-2026-75990 8.6 HIGH Illustrator | Incorrect Authorization (CWE-863)
CVE-2026-76190 8.6 HIGH ColdFusion | Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval In
CVE-2026-75991 8.6 HIGH Illustrator | Improper Input Validation (CWE-20)
CVE-2026-76199 8.6 HIGH Photoshop Desktop | Uncontrolled Search Path Element (CWE-427)
CVE-2026-75993 8.5 HIGH ColdFusion | Cross-site Scripting (Reflected XSS) (CWE-79)
CVE-2026-75999 8.4 HIGH ColdFusion | Improper Input Validation (CWE-20)
CVE-2026-76191 8.2 HIGH Animate | Improper Control of Generation of Code ('Code Injection') (CWE-94)
CVE-2026-76202 8.2 HIGH Adobe Commerce | Incorrect Authorization (CWE-863)
CVE-2026-81983 7.8 HIGH Acrobat Reader | Out-of-bounds Write (CWE-787)
CVE-2026-79908 7.8 HIGH Acrobat Reader | Out-of-bounds Write (CWE-787)

Showing top 20 of 167 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Adobe Acrobat
Same vendor: Adobe
Same weakness: CWE-1321

V. Comments for CVE-2026-81994

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