New 7-Zip security flaw could put hundreds of millions of systems at risk
A new security flaw in the 7-Zip utility could put hundreds of millions of systems at risk by allowing cybercriminals to execute malicious code. The vulnerability, known as CVE-2026-48095, can be exploited by tricking users into opening specially crafted archives. Users are advised to install the latest version of the software as soon as possible to mitigate the risk.
- ▪The 7-Zip security flaw is caused by a heap-based buffer overflow vulnerability in the way it handles NTFS-based volume image files.
- ▪The vulnerability can be exploited by opening a specially crafted archive, which can lead to remote code execution or a denial-of-service condition.
- ▪A software update is available to fix the vulnerability, and users are advised to install it as soon as possible.
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Record
| Original publisher | TechSpot |
| Canonical URL | https://www.techspot.com/news/112575-new-7-zip-security-flaw-could-put-hundreds.html |
| Publication time | Fri, 29 May 2026 10:28 -0500 |
| Retrieval time | 2026-05-29T15:45:02.247Z |
| Last seen | 2026-05-29T15:45:03.329Z |
| 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 | eTSKAlUxVX29 |
| 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)
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| 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
Security Software vulnerability 7zip New 7-Zip security flaw could put hundreds of millions of systems at risk The situation is bad, but a software update is already available By Alfonso Maruccia May 29, 2026, 10:28 Serving tech enthusiasts for over 25 years. TechSpot means tech analysis and advice you can trust. PSA: The widely used 7-Zip utility is once again affected by a potentially dangerous security vulnerability. The open-source file archiver can be exploited to execute malicious code by tricking users into opening specially crafted archives. End users and system administrators are advised to install the latest version of the software as soon as possible.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at TechSpot.
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