CVE-2026-15718: Vulnerability in Mozilla Firefox
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-15718) affects Mozilla Firefox's JavaScript WebAssembly component due to an invalid pointer issue. Although exploit code is publicly available, there have been no known active attacks exploiting this flaw. Mozilla addressed and fixed the vulnerability in Firefox version 152.0.6, as documented in their security advisory MFSA2026-67.
Potential Impact
The vulnerability is rated critical by Mozilla, indicating a potentially severe impact if exploited. The presence of public exploit code increases the risk, but no exploitation in the wild has been observed to date.
Mitigation Recommendations
Users should update Firefox to version 152.0.6 or later to remediate this vulnerability. Mozilla has officially fixed this issue in that release. No additional mitigation actions are required beyond applying the update.
CVE-2026-15718: Vulnerability in Mozilla Firefox
Description
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6.
CVSS v3.1
Score 4.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-15718) affects Mozilla Firefox's JavaScript WebAssembly component due to an invalid pointer issue. Although exploit code is publicly available, there have been no known active attacks exploiting this flaw. Mozilla addressed and fixed the vulnerability in Firefox version 152.0.6, as documented in their security advisory MFSA2026-67.
Potential Impact
The vulnerability is rated critical by Mozilla, indicating a potentially severe impact if exploited. The presence of public exploit code increases the risk, but no exploitation in the wild has been observed to date.
Mitigation Recommendations
Users should update Firefox to version 152.0.6 or later to remediate this vulnerability. Mozilla has officially fixed this issue in that release. No additional mitigation actions are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-14T12:15:45.500Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-67/","vendor":"Mozilla"}]
Threat ID: 6a56300c68715ace4381b651
Added to database: 07/14/2026, 12:48:12 UTC
Last enriched: 07/14/2026, 13:03:34 UTC
Last updated: 07/14/2026, 13:48:12 UTC
Views: 9
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