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Vulnerability details: VCID-7mgc-2v4y-9bce
Vulnerability ID VCID-7mgc-2v4y-9bce
Aliases CVE-2026-7338
Summary Use after free in Cast in Google Chrome prior to 147.0.7727.138 allowed an attacker on the local network segment to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-825 Expired Pointer Dereference
CWE-416 Use After Free
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-7338.json
epss 3e-05 https://api.first.org/data/v1/epss?cve=CVE-2026-7338
cvssv3.1 7.5 https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
ssvc Track https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
cvssv3.1 7.5 https://issues.chromium.org/issues/502449857
ssvc Track https://issues.chromium.org/issues/502449857
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-7338.json
https://api.first.org/data/v1/epss?cve=CVE-2026-7338
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-7338
2463660 https://bugzilla.redhat.com/show_bug.cgi?id=2463660
502449857 https://issues.chromium.org/issues/502449857
stable-channel-update-for-desktop_28.html https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
No exploits are available.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-7338.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-29T13:04:47Z/ Found at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://issues.chromium.org/issues/502449857
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-29T13:04:47Z/ Found at https://issues.chromium.org/issues/502449857
Exploit Prediction Scoring System (EPSS)
Percentile 0.00086
EPSS Score 3e-05
Published At April 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-29T12:11:55.259650+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.5.0