CVE detail
CVE-2026-5858
Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- The April 2026 Security Update ReviewZero Day Initiative
at some of the more interesting updates for this month, starting with the vulnerability being exploited in the wild: - CVE-2026-32201 - Microsoft SharePoint Server Spoofing Vulnerability Microsoft doesn’t provide a lot of information about this bug, but Spoofing bugs in SharePoint often manifest as cross-site scripting (XSS) bugs. They do note that at
vendorwww.thezdi.comApr 14, 2026, 5:49 PM - Chromium: CVE-2026-5858 Heap buffer overflow in WebMLMicrosoft MSRC
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.
vendormsrc.microsoft.comApr 11, 2026, 12:31 AM The critical vulnerabilities affect Chrome’s WebML component and they have been reported by anonymous researchers.
newswww.securityweek.comApr 10, 2026, 10:44 AM- https://issues.chromium.org/issues/493319454issues.chromium.org
No excerpt available.
Exploitissues.chromium.orgApr 8, 2026, 10:16 PM - https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.htmlchromereleases.googleblog.com
No excerpt available.
Vendor Advisorychromereleases.googleblog.comApr 8, 2026, 10:16 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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