CVE Watchtower

← Back to CVE List

CVE-2026-55012NVD

Vulnerability Summary

Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.

Severity Level

HIGH(7.8)

Published Date

Jul 14, 2026

Last Modified

Jul 15, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.42%Probability

Root Weakness (CWE)

CWE-122: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55012

🚨

Receive alerts for vulnerabilities being exploited in the wild.

⚡

Get notified instantly when a Proof of Concept (PoC) exploit is published.

🔍

Access critical info on vulnerabilities even when marked as "RESERVED".

🧠

Insights powered by decades of expertise and global intelligence sources.

🎯

Customize alerts with up to 10 keywords for your specific tech stack.

📊

Export the raw CVE database for SIEM integration and reporting.

CVE-2023-4346CVSS 7.5
KNX devices that use KNX Connection Authorization and support Option 1 are, depending on the implementation, vulnerable to...
CISA KEV📅 Added to KEV: Jul 15, 2026
CVE-2026-53362
In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation...
Admin intel📅 Updated: Jul 14, 2026
CVE-2026-46242CVSS 7.8
In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix ep_remove struct eventpoll / struct file...
Admin intel📅 Updated: Jul 14, 2026
CVE-2026-56155CVSS 7.8
Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate...
CISA KEV📅 Added to KEV: Jul 14, 2026
CVE-2026-56164CVSS 5.3
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a...
CISA KEV📅 Added to KEV: Jul 14, 2026
CVE-2026-15409CVSS 10.0
A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote...
CISA KEV📅 Added to KEV: Jul 14, 2026
CVE-2026-15410CVSS 7.2
Post-authentication improper control of generation of code ('Code Injection') vulnerability has been identified in the SMA1000 Appliance Management...
CISA KEV📅 Added to KEV: Jul 14, 2026
CVE-2008-4128CVSS 4.3
Multiple cross-site request forgery (CSRF) vulnerabilities in the HTTP Administration component in Cisco IOS 12.4 on the 871...
CISA KEV📅 Added to KEV: Jul 13, 2026

Critical Alert 2 Active Exploits Detected Today

CVE-2026-55012NVD

Vulnerability Summary

External References