Microsoft · erofs: fix inline data read failure for ztailpacking pclusters
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 11:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 27 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Microsoftmicrosoft/azure-linuxpkg:rpm/microsoft/azure-linuxOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
No specific mitigation or workaround information is provided at this time.
Description
CVE-2026-45943 addresses a vulnerability related to the erofs filesystem, specifically a failure in reading inline data for ztailpacking pclusters. The information provided is limited and does not include technical details about the nature of the vulnerability or its exploitation. There is no CVSS score available, no known exploits in the wild, and no patch or remediation details provided. The affected products include Microsoft and Azure Linux 3.0 versions. Due to the lack of detailed impact or exploit information, the severity is assessed based on the potential for data read failures in the filesystem.