CVE-2021-28550CISA KEVEPSS p98.9%

CVE-2021-28550Adobe Acrobat and Reader Use-After-Free Vulnerability

Adobe / Acrobat and Reader

Description

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.

Scoring

EPSS51.85% probability of exploitation · percentile 98.9% · 2026-10-06T12:00:23Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryAdobe Acrobat and Reader Use-After-Free Vulnerabilitykev-cve-2021-285500%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Adobe Acrobat Use-After-Free Vulnerability
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CVE-2026-47955
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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.