Item detail
bleepingcomputer.com

Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137)

Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137) is a signal that RepoRadar is tracking in its Radar section, currently rated Gold tier with a 'watch' verdict. Its strongest signal is practical usefulness, scored 8.0 out of 10.

Score8.0
Popularity65.0
Risknone
TierGold
Score breakdown
Usefulness8.0
Novelty7.2
Momentum6.2
Maturity7.7
Open-source/build5.8
Evidence5.8
Workflow potential8.0
Setup ease6.5

Popularity is tracked separately. Support, ads, sponsorships, and tips never affect these signals.

Why it matters

Useful for security teams and AI-app builders: the underlying technique (P2P injection chained with cross-service SSRF) generalizes to any AI assistant that combines retrieval with outbound rendering. Audit M365 Copilot query logs and consider restricting access to sensitive libraries until mitigations ship.

Who should use it

Builders Power users

Who should skip it

Skip Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137) for now if you are only tracking items with a 'try now' verdict.

About this signal

Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137) is tracked by RepoRadar as a signal in the Radar section. First seen 2026-06-16; the source record was last checked on 2026-06-16. The current verdict is 'watch' with a Gold tier and review needed setup difficulty. Across RepoRadar's eight signals, Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137) is strongest on practical usefulness (8.0) and workflow potential (8.0) and weakest on evidence quality (5.8) — a profile worth weighing against your own priorities. This page summarizes the public evidence on the linked source page and states where additional review is still needed.

How this item is evaluated

The Microsoft 365 Copilot 'SearchLeak' data-theft chain (CVE-2026-26137) record combines a 8.0/10 composite score with separate popularity (65.0), risk (none), and setup (review needed) signals. See the scoring methodology for the current weights and evidence definitions.

Putting this into practice? Read How to evaluate an AI tool before you adopt it for the checklist behind this score.

Risk explanation

No inherent user-impacting risk is flagged from the captured evidence.

Evidence links
Closest alternatives / related signals
Verification record

What RepoRadar actually verified

Discovered

Automated discovery and source capture. Last checked 2026-08-13T20:20:15Z.

No editorial or hands-on review is claimed. This record remains at Discovered.

Verification sources

Longitudinal intelligence

How this decision record is moving

Raw history JSON →

49 dated snapshots retained from 2026-06-16 through 2026-08-13; see the snapshot index for explicit coverage gaps. Stars, version, release, pricing, integration, risk, maintenance, verdict, score, and momentum fields remain explicit even when a source has not reported them. Repository momentum is a normalized 0–10 RepoRadar signal; GitHub stars appear only where the popularity monitor retained exact timestamped observations.

RepoRadar score8.0 current · +0.0 net
Momentum signal6.2 current · +0.0 net
GitHub starsNot tracked for this record
VersionNot reported by source
Last releaseNot reported by source
Maintenancesource activity not yet measured
Current risknone
Current verdictwatch
Pricing baselineNo structured commercial pricing baseline
Pricing checkedNot applicable or not recorded
Pricing freshnessNo dated commercial pricing review
Integrations baselineNo structured integrations recorded

Recent dated points

DateScoreMomentumStarsRiskVerdictMaintenance
2026-08-138.06.2Not recordednonewatchsource activity not yet measured
2026-08-128.06.2Not recordednonewatchsource activity not yet measured
2026-08-118.06.2Not recordednonewatchsource activity not yet measured
2026-08-108.06.2Not recordednonewatchsource activity not yet measured
2026-08-098.06.2Not recordednonewatchsource activity not yet measured
2026-08-088.06.2Not recordednonewatchsource activity not yet measured
2026-08-078.06.2Not recordednonewatchsource activity not yet measured
2026-08-068.06.2Not recordednonewatchnot recorded
2026-08-058.06.2Not recordednonewatchnot recorded
2026-08-048.06.2Not recordednonewatchsource activity not yet measured
2026-08-038.06.2Not recordednonewatchsource activity not yet measured
2026-08-028.06.2Not recordednonewatchsource activity not yet measured

Why the record changed

No material star, version, pricing, risk, integration, maintenance, verdict, or score change is recorded yet.