Mar 2026: Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
CVE-2026-23673 Published on March 10, 2026
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
Weakness Type
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer. Typically, this can allow attackers to read sensitive information from other memory locations or cause a crash. A crash can occur when the code reads a variable amount of data and assumes that a sentinel exists to stop the read operation, such as a NUL in a string. The expected sentinel might not be located in the out-of-bounds memory, causing excessive data to be read, leading to a segmentation fault or a buffer overflow. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent read operation then produces undefined or unexpected results.
Products Associated with CVE-2026-23673
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.8957 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8511 is affected.
- Version 10.0.19044.0 and below 10.0.19044.7058 is affected.
- Version 10.0.19045.0 and below 10.0.19045.7058 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6783 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6783 is affected.
- Version 10.0.26100.0 and below 10.0.26100.8037 is affected.
- Version 10.0.26200.0 and below 10.0.26200.8037 is affected.
- Version 10.0.28000.0 and below 10.0.28000.1719 is affected.
- Version 10.0.28000.0 and below 10.0.28000.1719 is affected.
- Version 6.2.9200.0 and below 6.2.9200.25973 is affected.
- Version 6.2.9200.0 and below 6.2.9200.25973 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23074 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23074 is affected.
- Version 10.0.14393.0 and below 10.0.14393.8957 is affected.
- Version 10.0.14393.0 and below 10.0.14393.8957 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8511 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8511 is affected.
- Version 10.0.20348.0 and below 10.0.20348.4893 is affected.
- Version 10.0.25398.0 and below 10.0.25398.2207 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32522 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32522 is affected.