Vulnerability

CVE-2026-11289

Medium· 6.5CVSS6.5EPSS0%

.rules3/5

Side-channel information leakage in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Threat signal

65/100

Elevated

Severity

medium

CVSS

6.5

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

6.5/ 10MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionRequiredRequires user action (click, file open, etc).
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactNoneNo integrity impact.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.04%

probability of exploitation in next 30 days

p11

higher than 11% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2026-11289. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCDefer

No exploitation, limited impact or prevalence

exploitation: none
automatable: no
impact: partial
mission: support

Lifecycle

2026-06-05Published
2026-06-05Vendor advisory · microsoftCVE-2026-11289 — Chromium: CVE-2026-11289 Side-channel information leakage in Paint
2026-06-09Last modified1 source

Entity graph

2 nodes · 1 edges · click to pivot

CVEActorVendor advisoryIOCNews

Vendor advisories

microsoftCVE-2026-11289Chromium: CVE-2026-11289 Side-channel information leakage in Paint

References

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.