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CVE-2026-5864

MEDIUMCVSS 4.3/10EPSS 0.24%

Last modified

CVE-2026-5864 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.1
4.3/10

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

EPSS Probability
0.24%

15.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 147.0.7727.55

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-5864?
Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-5864?
CVE-2026-5864 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-5864?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5864?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST