CVE-2025-21326
Internet Explorer Remote Code Execution Vulnerability
Internet Explorer Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Internet Explorer Remote Code Execution Vulnerability
Internet Explorer Remote Code Execution Vulnerability
- Record
CVE-2025-21326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-843
- Updated
- 2026-11-02
EUVDEUVD-2025-2391
Internet Explorer Remote Code Execution Vulnerability
- Record
EUVD-2025-2391- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hphq-5232-xjcf
Internet Explorer Remote Code Execution Vulnerability
Internet Explorer Remote Code Execution Vulnerability
- Record
GHSA-hphq-5232-xjcf- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-843
- Updated
- 2026-11-02
NVD
Internet Explorer Remote Code Execution Vulnerability
- Record
CVE-2025-21326- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-843
- 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-2025-21326 is a high vulnerability (CVSS 7.8) in Microsoft Windows Server 2022, 23h2 Edition (server Core Installation), published January 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 72nd percentile. No source names a fixed version.