HOMEVULNERABILITIESCVE-2026-7324
HIGH

CVE-2026-7324

CWE-119Published: April 28, 2026· Updated: May 1, 2026

7.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.9th

Official Description

Memory safety bugs present in Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1 and Thunderbird 150.0.1.

NVD Source

Technical Analysis

CVE-2026-7324 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

Mozilla2 products
firefoxthunderbird
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-35/
ADVISORYhttps://www.mozilla.org/security/advisories/mfsa2026-38/

All References (3)

→
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029419%2C2029717%2C2029769%2C2029886Broken Link
→
https://www.mozilla.org/security/advisories/mfsa2026-35/Vendor Advisory
→
https://www.mozilla.org/security/advisories/mfsa2026-38/Vendor Advisory

Quick Facts

CVE IDCVE-2026-7324
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedApr 28, 2026

Related CVEs (CWE-119)

CVE-2026-4214
9.8
CVE-2026-4211
9.8
CVE-2026-7719
9.8
CVE-2026-4182
9.8
CVE-2026-4212
9.8
CVE-2026-5731
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-7324 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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