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August 2026 Patch TuesdayMSRC-2026-08-open-source-software-release-notesNormal patch window

Microsoft · MSRC-2026-08-open-source-software-release-notes

Linked CVE review

Deploy Microsoft Open Source Software update for Azure Storage Explorer

Linked CVEs
1
Confirmed exploited
0
PoC or lab evidence
0
Maximum CVSS
8.8
Evidence is kept separate

Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.

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1 of 1 linked CVEs shown
Confirmed exploitedCVSS above 9.0
CVE and descriptionSeverityExploit realityForecast and accessRemediation
CVE-2026-57104 Scheduled assessment
Azure Storage Explorer Elevation of Privilege Vulnerability

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.

8.8 · CVSS 3.1 · HighSource: CNANo confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.EPSS: 0.86% · 57.3th percentileForecast date: 2026-10-07NETWORK · LOW complexity · NONE privileges · REQUIRED user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Mitigation available. No fixed version is explicitly recorded in the structured CVE data.