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TI-2026-63740 Aliases CVE-2026-96269GHSA-29x7-3q83-3x3v

GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because…

Priority LOW 34CWE-829Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-829.

Summary

GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUEmacs28.1 – 31.1—No fix listedCNA
  • Emacs VendorGNU Affected 28.1 – 31.1 Fixed in — No fix listed CNA

Remediation

Red Hat 1 advisory

  • RHSA-2026:90887 Released 2026-10-27 · Red Hat rating Important
    emacs security update
    • Red Hat Enterprise Linux AppStream (v. 10) emacs-1:29.4-14.el10_2.4, emacs-common-1:29.4-14.el10_2.4, emacs-lucid-1:29.4-14.el10_2.4 +1
    • Red Hat Enterprise Linux BaseOS (v. 10) emacs-1:29.4-14.el10_2.4, emacs-filesystem-1:29.4-14.el10_2.4

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:90887
Red Hat Enterprise Linux BaseOS (v. 10)Fixed RHSA-2026:90887
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-96269
  2. 2026-10-03 Alias added: GHSA-29x7-3q83-3x3v
  3. 2026-10-27 Fix available: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · Red Hat
  4. 2026-10-29 Fix available: RHSA-2026:90887 · Red Hat

References

Other 2

  • TI-2026-19388 telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root"… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05164 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… KEVCVSS 3.1HIGH 8.8
  • TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
See all 1272 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences