Adobe's Patch Tuesday update for September 2023 comes with a patch for a critical actively exploited security flaw in Acrobat and Reader that could permit an attacker to execute malicious code on susceptible systems.
The vulnerability, tracked as CVE-2023-26369, is rated 7.8 for severity on the CVSS scoring system and impacts both Windows and macOS versions of Acrobat DC, Acrobat Reader DC, Acrobat 2020, and Acrobat Reader 2020.
Described as an out-of-bounds write, successful exploitation of the bug could lead to code execution by opening a specially crafted PDF document. Adobe did not disclose any additional details about the issue or the targeting involved.
"Adobe is aware that CVE-2023-26369 has been exploited in the wild in limited attacks targeting Adobe Acrobat and Reader," the company acknowledged in an advisory.
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