CVE-2021-21089

3.3 lowEPSS 1.9%

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to locally escalate privileges in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Severity

CVSS 3.1

3.3 low

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-09-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

adobe:acrobat_dc
adobe:acrobat_reader_dc

References

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html
https://helpx.adobe.com/security/products/acrobat/apsb21-09.html

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