CVE-2026-81977
Acrobat Reader | Integer Underflow (Wrap or Wraparound) (CWE-191)
MEDIUM 5.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.26 % · percentile 18 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- adobe
- NVD status
- 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.
Weaknesses (CWE)
- CWE-191 — Integer Underflow
References
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-2026-74102
- GCVE · GCVE-0-2026-81977
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 < 24.001.30429cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*≥ 15.008.20082 < 26.002.21901cpe: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 |