CVE-2021-28550
Adobe Acrobat and Reader Use-After-Free Vulnerability
CVSS
—
Sem CVSS
EPSS
52.1%
p99
KEV
SIM
3 de nov. de 2021
Exploit Today
80
0-100
Publicado: — · Última mod.: —
51.9%EPSS · 30 dias52.1%
2026-10-082026-11-05
Produto
Adobe / Acrobat and Reader
Vulnerabilidade
Adobe Acrobat and Reader Use-After-Free Vulnerability
Adicionado ao KEV
3 de nov. de 2021
Corrigir até
17 de nov. de 2021
Uso conhecido em ransomware
Não
Descrição resumida
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.
Ação necessária
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-28550
CVECVSSEPSSKEVRExploitTítuloMod.
CVE-2026-346218.6 ALT94.3%
KEV—78Adobe Acrobat and Reader Prototype Pollution Vulnerability10dCVE-2008-2992—100.0%
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KEV—80Adobe Acrobat and Reader Buffer Overflow Vulnerability—CVE-2021-21017—99.7%
KEV—80Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability—CVE-2009-3459—99.7%
KEV—80Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability—CVE-2009-4324—99.7%
KEV—80Adobe Acrobat and Reader Use-After-Free Vulnerability—