CVE-2026-34621

Katalog CVE

CVSS 8.6 · High KEV · sudah dieksploitasi EPSS 2,2%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada adobe acrobat dc, adobe acrobat reader dc +1 lainnya. Skor CVSS 3.1 8.6 (High) menurut adobe.com. Masuk katalog KEV CISA pada 13 April 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Rincian

Terbit di NVD

11 April 2026

Terakhir diubah

28 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

8.6 (High), sumber adobe.com
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EPSS (30 hari)

2,2% peluang dieksploitasi; lebih tinggi dari 81,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Adobe Acrobat and Reader Prototype Pollution Vulnerability

Masuk KEV

13 April 2026

Tenggat CISA

27 April 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://helpx.adobe.com/security/products/acrobat/apsb26-43.html advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621 pemerintah AS