CVE-2026-59135: Microsoft Windows Search Component Information Disclosure Vulnerability
Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CSIRTS triage
- What
- Weak authentication in Windows Search Component allows local information disclosure.
- Who is affected
- Authorized local users on systems running Windows Search Component.
- Urgency
- Medium priority; requires local authorization and is not currently exploited.
- Action
- Apply Microsoft security updates when available for Windows Search Component.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59135
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-591350.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59135 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- critical[NEW] [critical] Microsoft Windows Products: Multiple vulnerabilitiescert-bund
- unknownexploitedNCSC-2026-0284 [1.00] [M/H] Vulnerabilities patched in Microsoft Windowsncsc-nl
- mediumCVE-2026-59135: Weak authentication in Microsoft Windows Search Component allows an authorized attacker to dis…nvd
Recent advisories for Microsoft Windows Search
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-59135: Weak authentication in Microsoft Windows Search Component allows an authorized attacker to dis…nvd · 2026-08-11
- highCVE-2026-50679: Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker…nvd · 2026-07-14
- highCVE-2026-50373: Improper access control in Microsoft Windows Search Component allows an authorized attacker to…nvd · 2026-07-14
- criticalexploitedCVE-2023-36884: Microsoft Windows Search Remote Code Execution Vulnerabilitycisa-kev · 2023-07-17
- criticalexploitedCVE-2017-8543: Microsoft Windows Search Remote Code Execution Vulnerabilitycisa-kev · 2022-05-24
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