SB2026111163 - Multiple vulnerabilities in Raw Image Extension

Description

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2026-114169)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to a heap-based buffer overflow in Windows Raw Image Extension when generating a thumbnail or preview of a specially crafted RAW image file. A remote attacker can convince a user to navigate to a folder containing such a file to trigger arbitrary code execution without the user opening the file.

2) Buffer over-read (CVE-ID: CVE-2026-114166)

CWE-ID: CWE-126 - Buffer over-read

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to a buffer over-read in Windows Raw Image Extension when processing input. A remote attacker can induce a victim to process specially crafted input, causing reads beyond the end of a buffer to disclose sensitive information.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-114169
• https://apps.microsoft.com/detail/9nctdw2w1bh8
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-114166