High severity8.8CISA KEVNVD Advisory· Published Sep 2, 2021· Updated Jun 17, 2026
CVE-2021-28550
CVE-2021-28550
Description
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected products
6cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*+ 3 more
- cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30194
- cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.001.20150
- cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30194
- (no CPE)range: unspecified
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*+ 1 more
- cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.001.20150
- (no CPE)range: <=2021.001.20150, <=2020.001.30020, <=2017.011.30194
Patches
Vulnerability mechanics
References
2- helpx.adobe.com/security/products/acrobat/apsb21-29.htmlnvdRelease NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdThird Party AdvisoryUS Government Resource
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