CVE-2026-83831
CVE-2026-83831
Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: [email protected]Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| edge_chromium microsoft |
< 154.0.4258.48 (affected, custom) | NVD |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
NVD applicability configurations (1)
These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.
[
{
"negate": false,
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*",
"versionEndExcluding": "154.0.4258.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
]CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.8 high |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83831[email protected] · Patch, Vendor Advisory
For agents and automation
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