HIGHCVSS v3.1 8.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-28550

Adobe Acrobat and Reader contains a use-after-free vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.

Properties

Euvd product
Acrobat Reader
Vulnerability name
Adobe Acrobat and Reader Use-After-Free Vulnerability
First seen
2025-10-21T23:25:35+00:00
Cvss score
8.8
Epss score
0.51851
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
adobe
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
8.8
Euvd base score version
3.0
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Adobe
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.6

Related Entities (9)

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CVE-2021-28550 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal