CVE-2026-81977

Acrobat Reader | Integer Underflow (Wrap or Wraparound) (CWE-191)

En bref

Sévérité: MEDIUM 5.5
EPSS: EPSS 0.26 % · centile 18 (2026-10-27)
État: PUBLISHED
Publiée: 2026-09-08
Mise à jour: 2026-09-11
Attribuée par: adobe
Statut NVD: Analyzed

Description

Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) 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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	adobe
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	NVD · psirt@adobe.com (Secondary)

Faiblesses (CWE)

CWE-191

Références européennes

ENISA EUVD · EUVD-2026-74102
GCVE · GCVE-0-2026-81977

Avis du CERT-FR

CERTFR-2026-AVI-1140 — Multiples vulnérabilités dans les produits Adobe · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* ≥ 24.001.20604 < 24.001.30429
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* ≥ 15.008.20082 < 26.002.21901
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* ≥ 15.008.20082 < 26.002.21901

Produits affectés

Produit	Versions
Adobe · Adobe Acrobat	affected 0 ≤ 26.002.21900 ; unaffected 26.002.21901
Adobe · Acrobat Reader	affected 0 ≤ 26.002.21900 ; unaffected 26.002.21901
Adobe · Acrobat 2024	affected 0 ≤ 24.001.30383 ; unaffected 24.001.30429

Références

https://helpx.adobe.com/security/products/acrobat/apsb26-141.html

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD