Another bug hunter leaks Microsoft exploits in defiance of company’s handling of vulnerability disclosures
A bug hunter has leaked a vulnerability affecting Microsoft’s Visual Studio Code after becoming frustrated with the company's response to security reports. The exploit allows attackers to push malicious extensions that can steal OAuth tokens from users. This incident highlights ongoing concerns about Microsoft's handling of vulnerability disclosures and the impact on security researchers.
- ▪Ammar Askar leaked a proof of concept exploit for a VS Code flaw shortly after notifying a contact at GitHub.
- ▪The vulnerability allows attackers to push malicious extensions via the Workspace Recommendations feature, compromising OAuth tokens.
- ▪Askar's decision to publicly disclose the exploit was influenced by negative past experiences with Microsoft's Security Response Center.
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Story provenance
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Record
| Original publisher | The Register |
| Canonical URL | https://www.theregister.com/security/2026/06/03/another-bug-hunter-leaks-microsoft-exploits-in-defiance-of-companys-handling-of-vulnerability-disclosures/5250590 |
| Publication time | Wed, 03 Jun 2026 16:30:00 +0200 |
| Retrieval time | 2026-06-03T14:32:09.503Z |
| Last seen | 2026-06-03T14:32:09.503Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | cd57UGHAK6yT |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
(function() { let windowUrl = window.location.href; windowUrl = windowUrl.substring(windowUrl.indexOf('?') + 1); let messageElement = document.querySelector('.shareableMessage'); if (windowUrl && windowUrl.includes('code') && windowUrl.includes('expires')) { messageElement.style.display = 'block'; } })(); Security Another bug hunter leaks Microsoft exploits in defiance of company’s handling of vulnerability disclosures Researchers follow in Nightmare Eclipse’s footsteps, flipping off Redmond in favor of insta-leaks Connor Jones Connor Jones Cybersecurity reporter Published wed 3 Jun 2026 // 15:30 UTC Yet another aggrieved bug hunter has leaked a vulnerability affecting a Microsoft product after becoming disillusioned with the company’s handling of security reports.Ammar Askar dropped a…
Excerpt limited to ~120 words for fair-use compliance. The full article is at The Register.
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