What is the CVSS score of EUVD-2026-49620?

EUVD-2026-49620 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a patch available for EUVD-2026-49620?

Yes, a patch is available for EUVD-2026-49620. Update the affected software to the latest version immediately.

Apple EUVD-2026-49620

| CVE-2026-43774 MEDIUM

Out-of-bounds Write (CWE-787)

2026-07-27 apple

GHSA-jg6m-x829-8jxm

Buffer Overflow Memory Corruption Apple

5.5

CVSS 3.1 · Vendor: apple

Severity by source

Vendor (apple) PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Jul 28, 2026 - 19:31 vuln.today

CVSS changed

Jul 28, 2026 - 17:22 NVD

5.5 (MEDIUM)

Patch available

Jul 27, 2026 - 21:17 EUVD

CVE Published

Jul 27, 2026 - 20:12 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 27, 2026 - 20:12 cve.org

MEDIUM 5.5

DescriptionCVE.org

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access sensitive user data.

AnalysisAI

Out-of-bounds read in Apple macOS allows a local app to access sensitive user data. The vulnerability (CWE-787) has been patched in macOS Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. Exploitation requires user interaction (opening a malicious app or file), and no public exploits are known to be in the wild.