Microsoft · rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present
Affects MicrosoftSource GCVE Database
Public exploit available (Metasploit, Exploit-DB) · 94% EPSS.
Data as of 30 Oct 2026, 06:59 UTC
Likely to be exploited
94.1% EPSS · Medium severity · No CVSS score from NVD or the CNA
- EPSS
- 94.1% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 2 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
1 Metasploit module · 2 Exploit-DB entries, the first 25 days after disclosure
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
Timeline
CVE published
on cve.org
, t = 0
First Exploit-DB entry (opens in a new tab)
Linux Kernel - Local Privilege Escalation +1 more
, 25 days after disclosure
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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
Description
CVE-2026-43500 is a vulnerability related to the handling of DATA/RESPONSE packets in the rxrpc protocol when paged fragments are present. The vulnerability affects Microsoft product version 3.0. No CVSS score or detailed technical impact information is provided. There are no known exploits in the wild and no patch or remediation details are available from the provided data.