CVE-2026-20672: Buffer Overflow

Published Feb 11, 2026
·
Updated

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

Other sources

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

— Apple

afpfs. A buffer overflow was addressed with improved bounds checking.

— Apple

An information disclosure issue was addressed with improved privacy controls. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.3. An app may be able to access sensitive user data.

— 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

APFS. The issue was addressed with improved memory handling.

— Apple

Credit

Юлия Мерцалова, Peter Malone, Rahul Raj, Pinak Oza, Robert Mindo, an anonymous researcher, tamdao, Franco Belman at Blackwing Intelligence, Nicolas Rabrenovic, Irvin Wang, impost0r (ret2plt), David Ige - Beryllium Security, 이재영, Pavan Nallamothu, Jared Reyes, John Lussier, Seonung Park, ALTV!ST (altvi.st/), Dun, YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Richard Zana, Nathaniel Oh@@calysteon, Daniel Williams, Gergely Kalman@@gergely_kalman, Anonymous(TrendAI Zero Day Initiative), Mathis Mansière, Csaba Fitzl@@theevilbit(Iru), James Duffy@@0x4A616D657344, Matthew Schneider, XBreach.ai(Nosebeard Labs), Dallas Dubs(Nosebeard Labs), Aaron Grattafiori - NVIDIA AI Red Team, CVE-2026-3784, CVE-2026-3783, HvxyZLF, Lance Cain - Offensive Security Engineer, SpecterOps Inc., Jonathan Bar Or@@yo_yo_yo_jbo, Anthony Laou Hine Tsuei@@anarcheuz, Gil Portnoy & Henry, Ayaan Ahmad, Hyunwoo Kim@@v4bel, erdene-och Byambabayar, Niels Hofmans, Manuel Fernandez (Stackhopper Security), Stanislav Jelezoglo(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Redon Gashi, Trung Nguyen@@everping(CyStack), Dave G., Atul R V & Ashmit Sharma, Hcamael, 章鱼哥 （aipyaipy.com）@@aipy, Aswin Kumar Gokulakannan, Surya Narayan Kushwaha, Cem Onat Karagun, Tristan Madani@@TristanInSec(Talence Security), Jonathan Alush-Aben, Arni Hardarson, Michael DePlante@@izobashi(TrendAI Zero Day Initiative), Gandalf4a(PKU), Anton Pakhunov, PETOWORKS의 Bugeun Choi@@Bugeun, Geonha Lee@@leegn4a, Dhiyanesh Selvaraj@@redroot97, hxr1(STAR Labs SG Pte), Hiroki Imai (LAC Co.(STAR Labs SG Pte), Ltd.)(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ashish Kunwar, Igor Ushakov, Ryan Hileman via Xint Code (xint.io), Adam Doupé(ASU SEFCOM), f0r(MurphySec), Mahmoud Abdelmoniem(ThreatBook), Feng Xue(ThreatBook), XGPT(ThreatBook), Wang Yu, Lyutoon, Hiroki Imai (LAC Co., Ltd.), Fábio Luís@@scanpt, DARKNAVY@@DarkNavyOrg, Gor Aleksanyan, Michal Kosiorek, Eddy Tsalolikhin, Asjid Kalam@@odinshell, Hyunwoo Kim@@v4bel(ThreatBook), Wang Yu(STAR Labs SG Pte), Ernesto Martínez García, Calif Research, Ji'an Zhou, Mingxuan Yang, Ye Zhang, Ye Zhang@@VAR10CK(Baidu Security), Vladislav Shevchenko (Positive Technologies)(STAR Labs SG Pte), Pasquale Scola(STAR Labs SG Pte), Lukas Gerlach, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Ruslan Dautov, CVE-2026-4424, Prathamesh Walunj, Amy (amys.website), Atul R V, Daisuke Hatakeyama Research)@@SYZD, Richard Zana(Nosebeard Labs), wh0am1i, stratan@@5tratan, Robert Tran, Mickey Jin@@patch1t, Dan Raviv, Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Matej Moravec@@MacejkoMoravec, Sindre Sorhus, Francisco Knabe, Hcamael(Stripe), 章鱼哥 （aipyaipy.com）@@aipy(Stripe), JC Alvarado(Stripe), Jacob Hazak, @@pixiepointsec, Asaf Cohen, Junming C.(Chapoly1305), Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Calif.io in collaboration with Claude, Anthropic Research, Kitten Food, Tien-Chih Lin(CyCraft Technology), Bruce Dang(Calif), Adam Franke(CyStack), yk lin@@pixiepointsec, wdszzml(Bynar), Atuin Automated Vulnerability Discovery Engine(Bynar), Alfredo Pesoli@@__rev(Bynar), jioundai, @@cloudlldb, Anonymous(Trend Micro Zero Day Initiative), Yiğit Can YILMAZ@@yilmazcanyigit, Golden Helm Securities(Iru), Gergely Kalman@@gergely_kalman(Iru), Google Threat Analysis Group, Kirin@@Pwnrin, 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), Noah Gregory (wts.dev), Pwn2car, Enis Maholli (enismaholli.com), CVE-2026-20622, Morris Richman@@morrisinlife, Gongyu Ma@@Mezone0, LeminLimez, HanQing(TSDubhe), Nan Wang@@eternalsakura13, Tom Van Goethem, EntryHi, Wang Yu(Cyberserval), Ryan Dowd@@_rdowd, Johnny Franks (zeroxjf)

Affected Software

5 affected componentsFixes available
Apple macOS Sequoia<15.7.8
15.7.8
Apple macOS Sonoma<14.8.8
14.8.8
Apple macOS>=14.0<14.8.8
Apple macOS>=15.0<15.7.8
Apple macOS Tahoe<26.3
26.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.7.8
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 14.8.8
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 26.3
  4. Upgrade

    Upgrade macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.7.8
  5. Upgrade

    Upgrade macOS Sonoma to a version that resolves this vulnerability.

    Fixed in 14.8.8
  6. Upgrade

    Upgrade macOS Tahoe to a version that resolves this vulnerability.

    Fixed in 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
Jul 27, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·08:14 PM
Data Sourced
via MITRE·08:14 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-20672?

The severity of CVE-2026-20672 is medium with a CVSS score of 5.5.

2

How do I fix CVE-2026-20672?

To fix CVE-2026-20672, update to macOS Sequoia 15.7.8 or later versions.

3

What is the impact of CVE-2026-20672?

CVE-2026-20672 can lead to information disclosure and potential buffer overflow vulnerabilities.

4

Which software is affected by CVE-2026-20672?

CVE-2026-20672 affects Apple macOS Sequoia and Apple macOS Sonoma.

5

What types of vulnerabilities are associated with CVE-2026-20672?

CVE-2026-20672 is associated with buffer overflow, input validation issues, and information leak vulnerabilities.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203