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CVE-2026-49760VulnerabilityPublished Updated

ei_s_print_term at Very Large Integer · Stack Buffer Overflow

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-49760· Medium 6.9

Not known to be exploited · CVSS 6.9 Medium · fixed in 27.3.4.13 : update Microsoft when convenient.

Data as of 2 Nov 2026, 22:58 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 27.3.4.13, 5.5.2.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 2 Nov 2026.

What to do

Upgrade OTP to 27.3.4.13; OTP and erl_interface to 5.5.2.1.

Affected software

ProductAffectedFixed in
ErlangOTPAffected
  • >=17.0 <27.3.4.13
Fixed in
  • 27.3.4.13
ErlangOTPAffected
  • >=3.7.16 <5.5.2.1
Fixed in
  • 5.5.2.1
ErlangOTPAffected
  • ≥ 84adefa331c4159d432d22840663c38f155cd4c1, < 0bef277b2d39dc8babb9ceb4f5d0a456f3007111
Fixed in–
GitHuberl_interfacepkg:github/erl_interfaceOther threatsAffected
  • >=3.7.16 <5.5.2.1
Fixed in
  • 5.5.2.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, consider limiting exposure to inputs that could trigger the vulnerability if feasible.

Description

CVE-2026-49760 is a stack buffer overflow vulnerability in the ei_s_print_term function triggered by very large integer inputs. It affects Microsoft products including Azure Linux 3.0 and the Erlang environment. No CVSS score or detailed technical exploitation data is available. There are no known exploits in the wild at this time.

References

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