Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Microsoft Windows 10 (versions 1607, 1809, 21H2, 22H2), Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2012 are affected by an out-of-bounds read in the Windows Storage Port Driver. An authorized local attacker can exploit it to disclose information. Upgrade to the fixed builds listed for each version, such as 10.0.19045.7725 for Windows 10 22H2 or 10.0.26100.9445 for Windows 11 24H2.
Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.5 | Medium | 3.1 | 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 | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.0040, the 35th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Sept 2026, 17:14 UTC Confirmed by the CVE List
- 31 Oct 2026, 16:21 UTC First seen by agentprime