Skip to main content
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privileged local account
  2. Delivery
    Invoke crafted request to Search Component
  3. Exploit
    Trigger untrusted pointer dereference
  4. Execution
    Read out-of-bounds memory
  5. Impact
    Disclose sensitive information

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Untrusted pointer prevention
Exploitation Conditions

Exploitation requires local code execution on the affected host as an authenticated low-privileged user (PR:L), targeting the Windows Search Component (the indexing/search service present by default on Windows). No victim user interaction is needed (UI:N) and no special non-default feature must be enabled - the Search Component is a standard Windows service. The principal limiting factors are the local attack vector (AV:L), meaning no remote network exploitation is possible, and the requirement for prior authenticated access, so the flaw cannot be used for initial remote compromise and is realistically a post-foothold memory-disclosure capability. Impact is confined to confidentiality (reading memory); it grants no integrity or availability effect.

Impact

This is a moderate-severity local information disclosure flaw (CVSS 5.5) in the Windows Search Component, and the signals are consistent and point toward low real-world urgency. The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U) confirms the attacker must already have local access and low-level privileges (an authenticated user), limiting reach to attackers with an existing foothold. The CISA SSVC decision framework reinforces this: Exploitation is 'none' (no observed exploitation), Automatable is 'no' (cannot be reliably scripted at scale), and Technical Impact is 'partial' - aligning with the single high-confidentiality, no-integrity, no-availability impact (C:H/I:N/A:N). There is no CISA KEV listing, no public POC, and no EPSS score was supplied in the input. No signals conflict. In practice this is a high-ubiquity-product but low-real-risk issue best treated as a routine patch-cycle item rather than an emergency, though its presence on nearly every Windows host warrants eventual remediation given it could serve as a post-compromise information-gathering primitive.

Exploit ScenarioDerived

An attacker who already has low-privileged authenticated access to a Windows host (for example via a standard user account or an initial foothold) runs a crafted local process that triggers an untrusted pointer dereference in the Windows Search Component, causing it to read and disclose memory contents the attacker should not be able to see. No public exploit code has been identified, and the attack requires local access with no user interaction from a victim.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Oct 13, 2026

Local information disclosure in the Microsoft Windows Search Component lets an authenticated low-privileged user read out-of-bounds memory contents on the affected host, giving a post-foothold attacker a confidentiality-only leak (CVSS 5.5, AV:L/PR:L/UI:N/S:U/C:H/I:N/A:N) with no integrity or availability impact. Every current Windows client and server branch is affected - Windows 10 1607/1809/21H2/22H2, Windows 11 23H2/24H2/25H2/26H1/26H2, and Windows Server 2012 through 2025 including Server Core - so the exposure is broad even though the flaw cannot be used for remote initial access. No public exploit identified at time of analysis: CISA SSVC records Exploitation: none and Automatable: no, CISA KEV does not list this CVE, and no EPSS signal was provided; urgency is driven by patch hygiene rather than active threat activity. Microsoft has released fixes (see the MSRC update guide referenced below).

RemediationAI

Vendor-released patch: apply the Microsoft security update that brings each branch to or above its fixed build - 10.0.26300.9711 (Windows 11 26H2), 10.0.28000.3231 (26H1), 10.0.26200.9711 (25H2), 10.0.26100.9711 (24H2), 10.0.22631.7652 (23H2), 10.0.19044.7807 (Windows 10 21H2/22H2), 10.0.17763.9376 (Windows 10 1809 / Server 2019), 10.0.14393.9612 (Windows 10 1607 / Server 2016), 10.0.20348.5761 (Server 2022), 10.0.26100.33650 (Server 2025), 6.3.9600.23470 (Server 2012 R2) and 6.2.9200.26434 (Server 2012) - per the MSRC update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96910. Because exploitation requires local code execution as an authenticated user (AV:L/PR:L), the highest-value compensating control is shrinking local access: remove or disable unnecessary local and RDP-capable accounts, restrict interactive logon rights, and treat any low-privileged local session on a sensitive host as a precondition for this leak rather than assuming the endpoint is safe until patched. As a stopgap on hosts that cannot be updated immediately, stopping and disabling the Windows Search service (WSearch) removes the vulnerable component from the reachable surface, but the trade-off is real and operational: Start menu, File Explorer and Outlook search stop working and index-based features degrade until the service is re-enabled. There is no network-side mitigation, since the vector is AV:L and there is no remote exploitation path to block; monitoring should instead focus on suspicious local processes interacting with the search/indexing service and on unexpected memory-disclosure-adjacent behaviour during incident response.

Affected VersionsENISA

Windows 11 Version 26H2 10.0.26300.0 <10.0.26300.9711
Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.9612
Windows 11 Version 25H2 10.0.26200.0 <10.0.26200.9711
Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 <6.3.9600.23470
Windows Server 2012 R2 6.3.9600.0 <6.3.9600.23470
Windows 11 version 26H1 10.0.28000.0 <10.0.28000.3231
Windows 10 Version 1809 10.0.17763.0 <10.0.17763.9376
Windows 10 Version 1607 10.0.14393.0 <10.0.14393.9612
Windows Server 2025 (Server Core installation) 10.0.26100.0 <10.0.26100.33650
Windows Server 2022 10.0.20348.0 <10.0.20348.5761
Windows 10 Version 22H2 10.0.19045.0 <10.0.19044.7807
Windows 10 Version 21H2 10.0.19044.0 <10.0.19044.7807
Windows Server 2016 10.0.14393.0 <10.0.14393.9612
Windows Server 2012 6.2.9200.0 <6.2.9200.26434
Windows Server 2025 10.0.26100.0 <10.0.26100.33650
Windows Server 2019 10.0.17763.0 <10.0.17763.9376
Windows 11 Version 23H2 10.0.22631.0 <10.0.22631.7652
Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.9376
Windows 11 Version 24H2 10.0.26100.0 <10.0.26100.9711
Windows Server 2012 (Server Core installation) 6.2.9200.0 <6.2.9200.26434

Affected Packages

euvd windows_10_version_1607 fix: 10.0.14393.9612
euvd windows_10_version_1809 fix: 10.0.17763.9376
euvd windows_10_version_21h2 fix: 10.0.19044.7807
euvd windows_10_version_22h2 fix: 10.0.19044.7807
euvd windows_11_version_23h2 fix: 10.0.22631.7652
euvd windows_11_version_24h2 fix: 10.0.26100.9711
euvd windows_11_version_25h2 fix: 10.0.26200.9711
euvd windows_11_version_26h1 fix: 10.0.28000.3231
euvd windows_11_version_26h2 fix: 10.0.26300.9711
euvd windows_server_2012 fix: 6.2.9200.26434
euvd windows_server_2012_r2 fix: 6.3.9600.23470
euvd windows_server_2012_r2_server_core_installation fix: 6.3.9600.23470
euvd windows_server_2012_server_core_installation fix: 6.2.9200.26434
euvd windows_server_2016 fix: 10.0.14393.9612
euvd windows_server_2016_server_core_installation fix: 10.0.14393.9612
euvd windows_server_2019 fix: 10.0.17763.9376
euvd windows_server_2019_server_core_installation fix: 10.0.17763.9376
euvd windows_server_2022 fix: 10.0.20348.5761
euvd windows_server_2025 fix: 10.0.26100.33650
euvd windows_server_2025_server_core_installation fix: 10.0.26100.33650

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 20 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The root cause class is CWE-822, Untrusted Pointer Dereference: the Windows Search Component - the indexing and query stack (SearchIndexer.exe / the Windows Search service and its associated search protocol handlers) that is present and running by default on supported Windows builds - follows a pointer derived from data it does not fully validate, causing it to read from a location outside the intended buffer. Because the failure is a read rather than a write or an arbitrary-call primitive, the outcome is memory disclosure (C:H) with no integrity or availability effect (I:N/A:N per the assessed vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). The CVSS vector confirms the attack surface precisely: AV:L means the attacker must already be executing code on the host, PR:L means that execution is as an ordinary authenticated user rather than SYSTEM, and UI:N means no victim has to open a malicious file or click anything, since the Search Component is a standard, always-on service that requires no non-default feature to be enabled. Practically this is a post-exploitation memory-leak primitive - useful for defeating ASLR or harvesting in-memory secrets - not a remote or privilege-escalation vector on its own, and it is consistent with the CISA SSVC decision point of partial technical impact and non-automatable exploitation. Affected CPE scope covers the Windows 10, Windows 11, and Windows Server product families (EUVD-2026-100241 enumerates the exact build ranges).

Know when Windows gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (microsoft) PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 5.5 MEDIUM

Local-only untrusted pointer dereference by an authenticated low-privileged user with no interaction yields AV:L/PR:L/UI:N; memory disclosure gives C:H with no I/A impact.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch available
Oct 13, 2026 - 20:20 EUVD
CVE Published
Oct 13, 2026 - 19:22 cve.org
MEDIUM 5.5

DescriptionCVE.org

Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.

Threat Intelligence Overview

EPSS Score
0.4%
Top 68% exploitable
Prevalence
Ubiquitous
Windows Search ships in virtually all Windows client and server editions
Vendor Status
Publicly Disclosed:No
Exploited:No
Latest Software Release:Exploitation Unlikely
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

CVE-2025-52691 CRITICAL POC
10.0 Dec 29

Unauthenticated remote code execution in SmarterTools SmarterMail lets an attacker upload arbitrary files to any locatio

CVE-2019-0803 HIGH POC
7.8 Apr 09

Windows Win32k fails to properly handle objects in memory, allowing local privilege escalation exploited in the wild in

CVE-2020-1472 MEDIUM POC
5.5 Aug 17

A privilege escalation vulnerability (CVSS 5.5). Risk factors: actively exploited (KEV-listed), EPSS 94% exploitation pr

CVE-2025-33053 HIGH POC
8.8 Jun 10

Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables

CVE-2025-33073 HIGH POC
8.8 Jun 10

Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attacker

CVE-2013-10047 CRITICAL POC
9.3 Aug 01

An unrestricted file upload vulnerability exists in MiniWeb HTTP Server <= Build 300 that allows unauthenticated remote

CVE-2012-10030 CRITICAL POC
9.3 Aug 05

FreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbit

CVE-2025-34101 CRITICAL POC
9.3 Jul 10

Serviio Media Server versions 1.4 through 1.8 on Windows contain an unauthenticated command injection in the /rest/actio

CVE-2025-34095 CRITICAL POC
9.3 Jul 10

Mako Server versions 2.5 and 2.6 contain an unauthenticated OS command injection via the tutorial interface at examples/

CVE-2025-11953 CRITICAL POC
9.8 Nov 03

React Native Metro Development Server binds to external interfaces by default and contains an OS command injection endpo

CVE-2026-96951 HIGH POC
8.8 Oct 13

Command injection in the Windows Shell lets remote, unauthenticated attackers bypass a Windows security feature and then

CVE-2025-24054 MEDIUM POC
6.5 Mar 11

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy