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CVE Record

CVE-2026-32186: Microsoft Bing Elevation of Privilege Vulnerability

Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a network.

CriticalCVSS 10Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Microsoft Bing contains a server-side request forgery flaw that could let an unauthenticated remote attacker make trusted server-side requests and gain elevated privileges. Its CVSS score is 10.0, indicating potentially severe confidentiality, integrity, and availability impact. The supplied evidence does not establish active exploitation or clarify customer-controlled affected versions.

Executive priority

Treat this as an immediate assessment priority because the modeled impact is critical and exploitation requires no authentication or user action. Assign ownership today to verify Microsoft’s remediation guidance and organizational Bing dependencies. Avoid declaring compromise solely from the CVSS score; current evidence does not establish exploitation in the wild.

Technical view

CVE-2026-32186 is classified as CWE-918 SSRF in Microsoft Bing. The CVSS vector indicates network access, low complexity, no privileges, no user interaction, changed scope, and high impact across confidentiality, integrity, and availability. Public details supplied here do not describe the vulnerable component, request path, affected versions, or exploitation prerequisites beyond the vector.

Likely exposure

Exposure appears centered on Microsoft Bing, but the sources provide no affected version range or CPEs. Organizations using Bing directly or through integrations should assess dependency and data-flow exposure. The evidence does not show whether customers operate any patchable component or whether remediation is entirely Microsoft-managed.

Exploitation context

The source bundle reports no CISA KEV listing, and no cited source supports active exploitation. CVSS marks exploit maturity as unproven. Nevertheless, remote unauthenticated reachability, low complexity, and maximum modeled impact make prompt investigation appropriate without assuming the flaw is being exploited.

Researcher notes

The record confirms SSRF and elevation of privilege but lacks endpoint, trust-boundary, affected-version, and remediation details. The changed-scope vector suggests impact crosses a security authority, but the exact boundary is unspecified. Validation should remain non-invasive and focus on vendor applicability, integration architecture, permissions, and defensive telemetry.

Mitigation direction

  • Review Microsoft’s CVE advisory for the official remediation and applicability details.
  • Inventory applications, agents, and services that integrate with Microsoft Bing.
  • Apply Microsoft-directed updates or configuration changes where applicable.
  • Restrict unnecessary Bing integrations or data flows until exposure is understood.
  • Escalate unclear tenant impact to Microsoft support or the relevant service owner.

Validation and detection

  • Confirm whether Microsoft identifies any customer-managed affected component or required action.
  • Map Bing integrations, credentials, permissions, and accessible internal resources.
  • Verify applicable Microsoft remediation has been completed by responsible service owners.
  • Review available integration and security logs for anomalous privilege or request activity.
  • Continue monitoring the Microsoft advisory for affected-version and exploitation updates.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-918: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-32186 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
10 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
10CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C3.96microsoft
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2026-32186Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftMicrosoft Bing-Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-918 · source CWE mapping

Server-Side Request Forgery (SSRF)

Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.