Medium severity · published Oct 13, 2026
CVE-2026-83681
Microsoft PowerToys Tampering Vulnerability
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MP
Microsoft PowerToys · Microsoft
0.1 before 0.102.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-83681
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-83681
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83681
More from Microsoft PowerToys
7.8
CVE-2026-42902
Microsoft PowerToys Elevation of Privilege Vulnerability
7.3
CVE-2026-96188
Microsoft PowerToys Elevation of Privilege Vulnerability