CVE-2026-46312: media: videobuf2: Set vma_flags in vb2_dma_sg_mmap
CSIRTS triage
- What
- A vulnerability in the media: videobuf2 component related to setting vma_flags in vb2_dma_sg_mmap.
- Who is affected
- Systems using the media: videobuf2 component.
- Urgency
- Remediation is important due to the medium severity rating of 5.5.
- Action
- Apply the relevant patches for the media: videobuf2 component.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46312
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-463120.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46312 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for media
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-57575: Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contain…nvd · 2026-07-10
- unknownCVE-2026-57574: Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contain…nvd · 2026-07-10
- mediumCVE-2026-55890: Grav is a file-based Web platform. Prior to 2.0.0-rc.9, Grav's incomplete fix for stored XSS t…nvd · 2026-07-10
- highCVE-2026-13430: The Post Export Import with Media plugin for WordPress is vulnerable to Arbitrary File Upload …nvd · 2026-07-10
- mediumCVE-2026-15189: A security vulnerability has been detected in aerostackdev aerostack-mcp up to 6315dfde7df0a15…nvd · 2026-07-09
- mediumCVE-2026-12516: The Fediverse Embeds WordPress plugin before 1.5.8 does not validate the destination of the se…nvd · 2026-07-09
More from Microsoft Security Response Center
- highCVE-2026-12064: proto-default skips SSH verification2026-07-02
- unknownCVE-2026-14125: Chromium: CVE-2026-14125 Uninitialized Use in ANGLE2026-07-02
- mediumCVE-2026-57987: Microsoft Edge (Chromium-based) Spoofing Vulnerability2026-07-02
- unknownCVE-2026-13775: Chromium: CVE-2026-13775 Use after free in GPU2026-07-02
- unknownCVE-2026-13779: Chromium: CVE-2026-13779 Use after free in Chromoting2026-07-02