PatchTheCVE: hancomhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2023-51598: Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerabilityhttps://patchthecve.com/cve/CVE-2023-51598.htmlhttps://patchthecve.com/cve/CVE-2023-51598.htmlWed, 17 Jun 2026 06:41:17 +0000HIGH 8.8: Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Word. User interaction is required to exploit this vulnerability in that the target must visit a malCVE-2023-50235: Hancom Office Show PPT File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerabilityhttps://patchthecve.com/cve/CVE-2023-50235.htmlhttps://patchthecve.com/cve/CVE-2023-50235.htmlWed, 17 Jun 2026 06:39:21 +0000HIGH 7.8: Hancom Office Show PPT File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Show. User interaction is required to exploit this vulnerability in that the target musCVE-2023-50234: Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerabilityhttps://patchthecve.com/cve/CVE-2023-50234.htmlhttps://patchthecve.com/cve/CVE-2023-50234.htmlWed, 17 Jun 2026 06:39:21 +0000HIGH 7.8: Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Cell. User interaction is required to exploit this vulnerability in that the target musCVE-2023-40250: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windowhttps://patchthecve.com/cve/CVE-2023-40250.htmlhttps://patchthecve.com/cve/CVE-2023-40250.htmlWed, 17 Jun 2026 06:16:51 +0000HIGH 8.8: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windows allows Overflow Buffers.This issue affects HCell: 12.0.0.893. CVE-2023-32541: A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520https://patchthecve.com/cve/CVE-2023-32541.htmlhttps://patchthecve.com/cve/CVE-2023-32541.htmlWed, 17 Jun 2026 05:59:04 +0000HIGH 8.8: A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.