CVE-2026-81993

Acrobat Reader | Heap-based Buffer Overflow (CWE-122)

MEDIUM 5.5

At a glance

Source: NVD
EPSS: EPSS 0.30 % · percentile 23 (2026-10-28)
State: PUBLISHED
Published: 2026-09-08 20:31 UTC
Updated: 2026-09-09 13:50 UTC
Assigner: adobe
NVD status: Analyzed

Description

Acrobat Reader is affected by a Heap-based Buffer Overflow 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.

Weaknesses (CWE)

CWE-122 — Heap-based Buffer Overflow

References

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

Scores

Version	Score	Vector	Scored by
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)

European references

ENISA EUVD · EUVD-2026-74108
GCVE · GCVE-0-2026-81993

CERT-FR advisories

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

Affected configurations (NVD CPE)

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

Affected products

Product	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

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