src_cd638cf167c7c119d6
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Oct 01, 2026 14:33 UTC
- Retrieved
- Oct 08, 2026 03:42 UTC
Overview An Out-of-bounds Write vulnerability in the InsydeH2O IHISI software used by HP PC BIOS can allow a local attacker with OS kernel privileges to perform arbitrary physical memory writes, including writes to System Management RAM (SMRAM). Because the vulnerable code executes in System Management Mode (SMM), successful exploitation can allow an attacker to modify SMM-protected memory and pot
VU#553437: InsydeH2O IHISI SMM is vulnerable to unsafe memory write operations0ed86218b38c3a3519073c230a9d04da7f41d30e334062b09d49673206636a46Network indicators are visibly defanged. This page does not make them clickable or send them to another service.
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Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.
1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
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