CVE-2026-118314: google chrome Improper Input Validation
Vulnerability summary
CVE-2026-118314 is a high (CVSS 8.8) Improper Input Validation vulnerability in google chrome. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.9% of scored vulnerabilities.
Not severe (CVSS 8.8, 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
- 27-10-2026PublishedVulnerability first disclosed.
- 03-11-2026Last modifiedVulnerability information updated.
Description
Incorrect reference resolution in UI in Google Chrome on on Android prior to 156.0.8078.73 allowed a local attacker leveraging social engineering to obtain sensitive information via a co-installed app. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
20%
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 cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-706Use of Incorrectly-Resolved Name or ReferenceThe product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.
Affected 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) | < 156.0.8078.73-1~deb12u1 | < 156.0.8078.73-1~deb13u1
Google1 product
- chrome≥ 156.0.8078.73, < 156.0.8078.73 | < 156.0.8078.73
2 vendors · 2 products
References
3 links- chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/574803484Permissions Required
