Search/CVE-2026-121256
● CVE — High

CVE-2026-121256

VendorgoogleProductchromeDiscoveredNov 3, 2026UpdatedNov 4, 2026

Use of released resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3.1
8.3 HIGH
EPSS
—%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Nov 3, 2026
Disclosure — published as a CVE record.