Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2017-0222 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Microsoft Internet Explorer. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Security Account Manager (T1003.002); ranked in the top 2% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
A remote code execution vulnerability exists in Internet Explorer when the browser improperly accesses objects in memory, resulting in memory corruption. The issue is tracked as CVE-2017-0222, is distinct from CVE-2017-0226, and is associated with CWE-787. It received a CVSS 3.1 base score of 8.8 reflecting network attack vector, low attack complexity, no required privileges, required user interaction, and high impact on confidentiality, integrity, and availability.
An unauthenticated remote attacker can exploit the flaw by serving specially crafted web content that triggers the memory corruption when rendered in Internet Explorer. Successful exploitation allows the attacker to execute arbitrary code in the context of the current user, potentially leading to full compromise of the affected system. The Microsoft Security Response Center advisory at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222 and related vendor bulletins provide official guidance on available updates.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2017-0588
Vulnerability Data
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.
- CWE(s)
- KEV Date Added
- 25 February 2022
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Vulnerability scanning and recording can discover out-of-bounds write flaws so they can be remediated.
Patching or replacing vulnerable software directly eliminates known instances of this coding weakness.
Secure-development practices (static analysis, bounds checking, code review) are the primary means of preventing out-of-bounds writes.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.