CVE-2026-5864: Heap buffer overflow in WebAudio
Chromium: CVE-2026-5864 Heap buffer overflow in WebAudio
Other sources
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)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 147.0.7727.55 - Upgrade
Upgrade
Chromium/Google Chrometo a version that resolves this vulnerability.Fixed in 147.0.7727.55
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-5858
- CVE-2026-5859
- CVE-2026-5860
- CVE-2026-5861
- CVE-2026-5862
- CVE-2026-5863
- CVE-2026-5865
- CVE-2026-5866
- CVE-2026-5867
- CVE-2026-5868
- CVE-2026-5869
- CVE-2026-5870
- CVE-2026-5871
- CVE-2026-5872
- CVE-2026-5873
- CVE-2026-5874
- CVE-2026-5875
- CVE-2026-5876
- CVE-2026-5877
- CVE-2026-5878
- CVE-2026-5879
- CVE-2026-5880
- CVE-2026-5881
- CVE-2026-5882
- CVE-2026-5883
- CVE-2026-5884
- CVE-2026-5885
- CVE-2026-5886
- CVE-2026-5887
- CVE-2026-5888
- CVE-2026-5889
- CVE-2026-5890
- CVE-2026-5891
- CVE-2026-5892
- CVE-2026-5893
- CVE-2026-5894
- CVE-2026-5895
- CVE-2026-5896
- CVE-2026-5897
- CVE-2026-5898
- CVE-2026-5899
- CVE-2026-5900
- CVE-2026-5901
- CVE-2026-5902
- CVE-2026-5903
- CVE-2026-5905
- CVE-2026-5906
- CVE-2026-5907
- CVE-2026-5908
- CVE-2026-5909
- CVE-2026-5910
- CVE-2026-5911
- CVE-2026-5912
- CVE-2026-5913
- CVE-2026-5914
- CVE-2026-5915
- CVE-2026-5918
- CVE-2026-5919
Frequently Asked Questions
What is the severity of CVE-2026-5864?
CVE-2026-5864 is classified as a high-severity vulnerability due to its potential to allow remote attackers to exploit heap buffer overflow issues.
How do I fix CVE-2026-5864?
To fix CVE-2026-5864, update Google Chrome to version 147.0.7727.55 or later.
Who is affected by CVE-2026-5864?
CVE-2026-5864 affects users of Google Chrome versions prior to 147.0.7727.55.
What type of attack does CVE-2026-5864 allow?
CVE-2026-5864 allows remote attackers to potentially obtain sensitive information from process memory through a crafted HTML page.
Is Microsoft Edge affected by CVE-2026-5864?
Yes, Microsoft Edge (Chromium-based) versions prior to 147.0.3912.60 are also affected by CVE-2026-5864.