Critical severity · published Aug 11, 2026
CVE-2026-57104
Azure Storage Explorer Elevation of Privilege Vulnerability
9.6
CVSS
0.9%
EPSS
No
On KEV
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Storage Explorer allows an unauthorized attacker to elevate privileges over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Azure Storage Explorer · Microsoft
before 1.45.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57104
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57104
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