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Vulnerability details: VCID-9knk-d9fx-5fhq
Vulnerability ID VCID-9knk-d9fx-5fhq
Aliases CVE-2026-1861
Summary Heap buffer overflow in libvpx in Google Chrome prior to 144.0.7559.132 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Status Published
Exploitability 0.5
Weighted Severity 5.3
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-122 Heap-based Buffer Overflow
System Score Found at
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-1861
cvssv3.1 8.8 https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html
ssvc Track https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html
cvssv3.1 8.8 https://issues.chromium.org/issues/478942410
ssvc Track https://issues.chromium.org/issues/478942410
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-1861
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-1861
478942410 https://issues.chromium.org/issues/478942410
stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.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/2026-02-04T04:56:09Z/ Found at https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://issues.chromium.org/issues/478942410
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/2026-02-04T04:56:09Z/ Found at https://issues.chromium.org/issues/478942410
Exploit Prediction Scoring System (EPSS)
Percentile 0.08466
EPSS Score 0.0003
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:39:18.320640+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0