CVE-2026-34626— Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
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I. Basic Information for CVE-2026-34626
Vulnerability Information
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Vulnerability Title
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Adobe Acrobat Reader 26.001.21411及之前版本、24.001.30360及之前版本和24.001.30362及之前版本存在安全漏洞，该漏洞源于原型污染，可能导致在当前用户环境下任意读取文件系统。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Acrobat Reader | 0 ~ 26.001.21411 | - |
II. Public POCs for CVE-2026-34626
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Adobe · 2026-04-14 · 52 CVEs total
| CVE-2026-27303 | 9.6 CRITICAL | Adobe Connect | Deserialization of Untrusted Data (CWE-502) |
| CVE-2026-27304 | 9.3 CRITICAL | ColdFusion | Improper Input Validation (CWE-20) |
| CVE-2026-27246 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79) |
| CVE-2026-27245 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79) |
| CVE-2026-34615 | 9.3 CRITICAL | Adobe Connect | Deserialization of Untrusted Data (CWE-502) |
| CVE-2026-27243 | 9.3 CRITICAL | Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79) |
| CVE-2026-34617 | 8.7 HIGH | Adobe Connect | Cross-site Scripting (XSS) (CWE-79) |
| CVE-2026-27305 | 8.6 HIGH | ColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal' |
| CVE-2026-34622 | 8.6 HIGH | Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Proto |
| CVE-2026-27290 | 8.6 HIGH | Adobe Framemaker | Untrusted Search Path (CWE-426) |
| CVE-2026-27306 | 8.4 HIGH | ColdFusion | Improper Input Validation (CWE-20) |
| CVE-2026-34627 | 7.8 HIGH | InDesign Desktop | Heap-based Buffer Overflow (CWE-122) |
| CVE-2026-34629 | 7.8 HIGH | InDesign Desktop | Heap-based Buffer Overflow (CWE-122) |
| CVE-2026-27284 | 7.8 HIGH | InDesign Desktop | Out-of-bounds Read (CWE-125) |
| CVE-2026-27313 | 7.8 HIGH | Bridge | Heap-based Buffer Overflow (CWE-122) |
| CVE-2026-34618 | 7.8 HIGH | Illustrator | Out-of-bounds Write (CWE-787) |
| CVE-2026-27289 | 7.8 HIGH | Photoshop Desktop | Out-of-bounds Read (CWE-125) |
| CVE-2026-27297 | 7.8 HIGH | Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (CWE-191) |
| CVE-2026-34628 | 7.8 HIGH | InDesign Desktop | Heap-based Buffer Overflow (CWE-122) |
| CVE-2026-27311 | 7.8 HIGH | Bridge | Heap-based Buffer Overflow (CWE-122) |
Showing top 20 of 52 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Acrobat Reader
- CVE-2026-34622
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295) - CVE-2026-27278
Acrobat Reader | Use After Free (CWE-416) - CVE-2026-27220
Acrobat Reader | Use After Free (CWE-416)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-1321
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42232
n8n: XML Node Prototype Pollution to RCE - CVE-2026-42231
n8n: Prototype Pollution in XML Webhook Body Parser Leads to - CVE-2026-42077
Evolver: Prototype Pollution via `Object.assign()` in mailbo - CVE-2026-42033
Axios: Prototype Pollution Gadgets - Response Tampering, Dat
V. Comments for CVE-2026-34626
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