Cwe-252 - Unchecked Return Value - Cwe

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
July 9, 2026
Last Seen
July 10, 2026

Cwe-252 - Unchecked Return Value is a cwe tracked by ThreatCluster, appearing in 3 threat clusters built from 2 intelligence report mentions.

Cwe-252 - Unchecked Return Value is a cwe tracked across 3 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed July 9, 2026; most recent activity July 10, 2026.

Related Threat Clusters

  • Critical Buffer Overflow Vulnerabilities in PAN-OS Affecting Firewalls

    Palo Alto Networks disclosed two critical buffer overflow vulnerabilities in PAN-OS on May 13, 2026. CVE-2026-0264 allows unauthenticated attackers to cause a denial of service or execute arbitrary code on PA-Series…

    2 articles · Updated May 13, 2026
  • Multiple Vulnerabilities in Palo Alto Networks PAN-OS Disclosed

    Palo Alto Networks disclosed several vulnerabilities in its PAN-OS software, including CVE-2026-0288, a buffer overflow issue that allows unauthenticated attackers to execute arbitrary code or cause denial of service.…

    16 articles · Updated July 8, 2026
  • Buffer Overflow Vulnerabilities Exploited in Cyber Attacks

    Recent reports detail the exploitation of buffer overflow vulnerabilities affecting various software applications. Attackers have leveraged these vulnerabilities to execute unauthorized code, leading to denial of…

    2 articles · Updated April 20, 2026

Recent Intelligence Reports

  • 121 — cwe.mitre.org · July 10, 2026
  • CWE-787 Out-of-bounds Write — cwe.mitre.org · July 9, 2026

Frequently asked questions

What is Cwe-252 - Unchecked Return Value?

Cwe-252 - Unchecked Return Value is a cwe tracked by ThreatCluster, appearing in 3 threat clusters built from 2 intelligence report mentions.

Is Cwe-252 - Unchecked Return Value still active?

The most recent intelligence report mentioning Cwe-252 - Unchecked Return Value on ThreatCluster is dated July 10, 2026. Activity was first observed July 9, 2026, giving a tracked span from then to July 10, 2026.

What is Cwe-252 - Unchecked Return Value associated with?

Across ThreatCluster reporting, Cwe-252 - Unchecked Return Value most frequently co-occurs with DDoS, Cwe-125 - Out-of-bounds Read, Cwe-131 - Incorrect Calculation Of Buffer Size, Cwe-193 - Off-by-one Error, Cwe-476 - NULL Pointer Dereference, among 8 tracked related entities.

What are the latest developments involving Cwe-252 - Unchecked Return Value?

The most significant recent cluster is “Critical Buffer Overflow Vulnerabilities in PAN-OS Affecting Firewalls” (2 articles · Updated May 13, 2026). Cwe-252 - Unchecked Return Value appears across 3 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Cwe-252 - Unchecked Return Value?

Cwe-252 - Unchecked Return Value appears in 2 intelligence report mentions across 3 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown