CVE-2026-27907
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Published Apr 14, 2026 · updated Oct 14, 2026 · microsoft windows 11 23h2
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 14, 2026 · NIST NVD
Detected
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Oct 14, 2026 · NIST NVD
Updated
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Affected
- cpe microsoft/windows 11 23h2version unspecified
- cpe microsoft/windows 11 24h2version unspecified
- cpe microsoft/windows 11 25h2version unspecified
- cpe microsoft/windows 11 26h1version unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-27907
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-27907
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2026-27907
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
nvd.nist.gov