CVE-2026-20639: Use After Free

Published Feb 11, 2026
·
Updated

802.1X. An authentication issue was addressed with improved state management.

Other sources

Accounts. An authorization issue was addressed with improved state management.

Apple

Admin Framework. A parsing issue in the handling of directory paths was addressed with improved path validation.

Apple

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.

MITRE

apache. This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

Apple

AppleEvents. An authorization issue was addressed with improved state management.

Apple

Credit

Mickey Jin@@patch1t, Noah Gregory (wts.dev), Johnny Franks (zeroxjf), an anonymous researcher, Ryan Dowd@@_rdowd, jioundai, Amy (amys.website), @@cloudlldb, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Csaba Fitzl@@theevilbit(Iru), Gergely Kalman@@gergely_kalman, Google Threat Analysis Group, Kirin@@Pwnrin, Asaf Cohen, Murray Mike, George Karchemsky@@gkarchemsky(Trend Micro Zero Day Initiative), Jian Lee@@speedyfriend433, Keisuke Hosoda, Xin'an Zhou, Juefei Pu, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy, Mathy Vanhoef, CVE-2025-59375, Ron Masas(BreakPoint), Chunyu Song(NorthSea), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Pwn2car, Enis Maholli (enismaholli.com), Morris Richman@@morrisinlife, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Gongyu Ma@@Mezone0, LeminLimez, Nathaniel Oh@@calysteon, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Tom Van Goethem, EntryHi, Wang Yu(Cyberserval), Rosyna Keller(Totally Not Malicious Software), CVE-2025-55753, CVE-2025-58098, CVE-2025-59775, CVE-2025-65082, CVE-2025-66200, Justin Cohen(Google), Jex Amro, Cristian Dinca (icmd.tech), Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Etienne Charron (Renault), Victoria Martini (Renault), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), CVE-2025-14524, 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, DARKNAVY@@DarkNavyOrg, Zhongcheng Li(IES Red Team), CVE-2025-64505, Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), hari shanmugam, Johnny Franks@@zeroxjf, Sreejith Krishnan R, Himanshu Bharti@@Xpl0itme(Khatima), Matej Moravec@@MacejkoMoravec, Dawuge(Shuffle Team), Hunan University, Kun Peeks@@SwayZGl1tZyyy, Gyujeong Jin at Team.0xb6@@G1uN4sh, wdszzml, Atuin Automated Vulnerability Discovery Engine, Alex Radocea, Christian Kohlschütter, Dave G., @@pixiepointsec, Caspian Tarafdar, Andrew Becker, Héloïse Gollier, Mathy Vanhoef (KU Leuven)

Affected Software

6 affected componentsFixes available
Apple macOS Sequoia<15.7.5
15.7.5
Apple macOS Sonoma<14.8.5
14.8.5
Apple macOS Tahoe<26.3
26.3
Apple macOS>=14.0<14.8.5
Apple macOS>=15.0<15.7.5
Apple macOS>=26.0<26.3

Event History

Feb 11, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeakness
Mar 24, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Mar 25, 2026
CVE Published
via MITRE·12:32 AM
Data Sourced
via MITRE·12:32 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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