CVE-2026-13884

HIGH 8.8

Published 2026-06-30 · Last modified 2026-07-01

Integer overflow in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a local attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Medium)

ELEVATED IMPACT

Severe if exploited (CVSS 8.8), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 5th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

8.8CVSS 3.1 · HIGH

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

What an attacker needs

⚠Access: Must sit on the same / adjacent network
✓Privileges: No account or privileges required
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Affected

Vendors Google

Products Chrome

Weakness (CWE)

CWE-122

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Technical & other

Sources: NVD · CVE.org · EPSS