CVE-2026-76027ImportantNetwork

Chromium CVE-2026-76027: Memory corruption

No KEV listing collectedCVSS 4.3Fix not stated

MSRC advisory NVD CVE.org

Assessment

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Severity: Important
CVSS base score: 4.3
Impact: Not stated
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
EPSS · 30-day forecast: No EPSS score collected
Customer action: Required: follow the MSRC remediation guidance

More details

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Public detection template: No Nuclei template is listed in the current collected catalog
Component: Microsoft Edge (Chromium-based)
Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Issued by: Chrome
Published: 4 Nov 2026 · November 2026
Last revised: 4 Nov 2026

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: LowAC:L
Privileges required: NonePR:N
User interaction: RequiredUI:R
Scope: UnchangedS:U
Confidentiality: LowC:L
Integrity: NoneI:N
Availability: NoneA:N

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Browser

1 affected product

Microsoft Edge (Chromium-based)

What changed

Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
13 Nov 2026 · 12:10:20 UTC
Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
13 Nov 2026 · 11:07:20 UTC
Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
6 Nov 2026 · 17:32:22 UTC
Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTC

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version

Field-level log (16)

Up to 100 recent field edits are shown; older edits may be outside retention.

13 Nov 2026 · 12:10:20 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
13 Nov 2026 · 12:10:20 UTC Source coverage: first-epssIncomplete → Current
13 Nov 2026 · 12:10:20 UTC Source coverage: msrc-cvrfIncomplete → Current
13 Nov 2026 · 11:07:20 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
13 Nov 2026 · 11:07:20 UTC Source coverage: first-epssCurrent → Incomplete
13 Nov 2026 · 11:07:20 UTC Source coverage: msrc-cvrfCurrent → Incomplete
6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-76027. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2026-76027

Published

Chrome

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Google",
                    "product": "Chrome",
                    "versions": [
                        {
                            "version": "156.0.8078.79",
                            "status": "affected",
                            "lessThan": "156.0.8078.79",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON