CVE-2025-55697
Azure Local Elevation of Privilege Vulnerability
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Local Elevation of Privilege Vulnerability
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-55697- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-122
- Updated
- 2026-11-02
EUVDEUVD-2025-34324
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2025-34324- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hmjr-9h8v-hm78
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges...
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.
- Record
GHSA-hmjr-9h8v-hm78- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- Updated
- 2026-11-02
NVD
Heap-based buffer overflow in Azure Local allows an authorized attacker to elevate privileges locally.
- Record
CVE-2025-55697- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-122
- 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-2025-55697 is a high vulnerability (CVSS 7.8) in Microsoft Windows Server 2022, 23h2 Edition (server Core Installation), published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. No source names a fixed version.