CVE-2026-113054: google chrome Out-of-bounds Read
Vulnerability summary
CVE-2026-113054 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in google chrome. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 26.1% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 20-10-2026PublishedVulnerability first disclosed.
- 03-11-2026Last modifiedVulnerability information updated.
Description
Incorrect authorization in SiteIsolation in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- chromiumAll versions (No fix recorded) | < 156.0.8078.47-1~deb12u1 | < 156.0.8078.47-1~deb13u1 | < 156.0.8078.47-1
Google1 product
- chrome≥ 156.0.8078.47, < 156.0.8078.47 | < 156.0.8078.47
2 vendors · 2 products
References
3 links- chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/549529981Permissions Required
