CVE-2026-122162
Windows Update Stack Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information 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
- None
- Availability
- None
What each source reports
CVE List Score used
5.5
Windows Update Stack Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information locally.
- Record
CVE-2026-122162- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-191, CWE-125
- Updated
- 2026-11-10
EUVDEUVD-2026-122485
5.5
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information locally.
- Record
EUVD-2026-122485- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-j9p4-6v8g-w885
5.5
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to...
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information locally.
- Record
GHSA-j9p4-6v8g-w885- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-10
NVD
5.5
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information locally.
- Record
CVE-2026-122162- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125, CWE-191
- Updated
- 2026-11-10
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-122162 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 11 Version 24h2, published November 10, 2026. No source lists public exploit code. No source names a fixed version.