HOMEVULNERABILITIESCVE-2026-3540
HIGH

CVE-2026-3540

Published: March 4, 2026· Updated: Mar 5, 2026

8.8
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:9.1th

Official Description

Inappropriate implementation in WebAudio in Google Chrome prior to 145.0.7632.159 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

NVD Source

Technical Analysis

CVE-2026-3540 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

Apple1 product
macos
Google1 product
chrome
Linux1 product
linux kernel
Microsoft1 product
windows
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop.html

All References (2)

→
https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop.htmlRelease Notes · Vendor Advisory
→
https://issues.chromium.org/issues/484088917Issue Tracking · Permissions Required

Quick Facts

CVE IDCVE-2026-3540
CVSS Score8.8 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.03%
Affected4 vendors
PublishedMar 4, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-3540 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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