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Vulnerability record · CVE-2026-42958 · published 7 July 2026

CVE-2026-42958: Use after free vulnerability

The application contains a use-after-free vulnerability that can be exploited to cause memory corruption while parsing specially crafted files. This could allow an attacker to execute arbitrary code in the context of the current process.

8.4 CVSS 4.0 High EPSS 0.19% · top 92.7% CWE-416 · Use after free Awaiting Analysis
8.4CVSS 4.0 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
9 Jul 2026Last modified by NVD

Description

The application contains a use-after-free vulnerability that can be exploited to cause memory corruption while parsing specially crafted files. This could allow an attacker to execute arbitrary code in the context of the current process.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-26-188-06

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.0CVE-2026-68820Windows Ancillary Function Driver for WinSock use-after-free privilege escalationThe Windows Ancillary Function Driver for WinSock (afd.sys) contains a use-after-free (CWE-416) that lets an authorized local attacker elevate privil…KEVEPSS 0.33%analysed8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed8.8CVE-2010-0249Microsoft Internet Explorer use-after-free enables remote code executionInternet Explorer 6, 7 and 8 mishandle objects in memory, leaving a dangling pointer that can be reused after the object is freed. A remote attacker …KEVEPSS 92%analysed7.8CVE-2020-9715Adobe Acrobat and Reader use-after-free allows code executionAdobe Acrobat and Reader contain a use-after-free (CWE-416) flaw affecting versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and ea…KEVEPSS 49%analysed8.8CVE-2026-5281Google Chrome Dawn use-after-free allows remote code executionChrome versions before 146.0.7680.178 contain a use-after-free flaw in the Dawn graphics component. An attacker who has already compromised the rende…KEVEPSS 0.70%analysed8.8CVE-2023-43000Apple WebKit use-after-free via malicious web contentA use-after-free flaw in Apple's WebKit engine was fixed by improved memory management in macOS Ventura 13.5, iOS/iPadOS 16.6, Safari 16.6, and iOS/i…KEVEPSS 3.9%analysed7.8CVE-2023-41974Apple iOS and iPadOS use-after-free allows kernel code executionA use-after-free flaw in Apple iOS and iPadOS was fixed through improved memory management in iOS 17, iPadOS 17, iOS 15.8.7 and iPadOS 15.8.7. Becaus…KEVEPSS 1.9%analysed8.8CVE-2026-2441Google Chrome CSS use-after-free enables sandbox code executionChrome before 145.0.7632.75 contains a use-after-free in CSS handling. A crafted HTML page can trigger the flaw and let a remote attacker run arbitra…KEVEPSS 55%analysed

Source: NIST National Vulnerability Database (record CVE-2026-42958), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.