CVE-2026-88097
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
- Record
CVE-2026-88097- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-416
- Updated
- 2026-11-02
EUVDEUVD-2026-83446
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
- Record
EUVD-2026-83446- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h9w4-646p-4c73
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate...
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
- Record
GHSA-h9w4-646p-4c73- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
NVD
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
- Record
CVE-2026-88097- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-88097 is a high vulnerability (CVSS 8.1) in Microsoft Edge (chromium-based), published September 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.