Elevation of Privilege Vulnerability in Microsoft Edge by Microsoft
CVE-2026-88097

8.1HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
18 September 2026

What is CVE-2026-88097?

A use after free vulnerability discovered in Microsoft Edge (Chromium-based) allows attackers to exploit memory management flaws. By leveraging this weakness, unauthorized users can potentially elevate their privileges on affected systems. This situation can compromise the integrity and confidentiality of user data and put systems at risk. Users are urged to apply available patches to mitigate this security issue.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 153.0.4234.46

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.