How severe is CVE-2010-2728?

CVE-2010-2728 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-2728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2728?

CVE-2010-2728 primarily affects Microsoft Outlook. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-2728 published?

CVE-2010-2728 was published on 2010-09-15 and last updated on 2026-06-16.

CVE-2010-2728

CVE-2010-2728 is a critical-severity vulnerability in Microsoft Outlook with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Outlook
Published: 2010-09-15
Last modified: 2026-06-16

Description

Heap-based buffer overflow in Microsoft Outlook 2002 SP3, 2003 SP3, and 2007 SP2, when Online Mode for an Exchange Server is enabled, allows remote attackers to execute arbitrary code via a crafted e-mail message, aka "Heap Based Buffer Overflow in Outlook Vulnerability."

Frequently asked questions

What is CVE-2010-2728?: Heap-based buffer overflow in Microsoft Outlook 2002 SP3, 2003 SP3, and 2007 SP2, when Online Mode for an Exchange Server is enabled, allows remote attackers to execute arbitrary code via a crafted e-mail message, aka "Heap Based Buffer Overflow in Outlook Vulnerability."
How severe is CVE-2010-2728?: CVE-2010-2728 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-2728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2728?: CVE-2010-2728 primarily affects Microsoft Outlook. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-2728 published?: CVE-2010-2728 was published on 2010-09-15 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:outlook:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:outlook:2007:sp2:*:*:*:*:*:*

More vulnerabilities in Microsoft Outlook

CVE-2001-0538 — Critical (CVSS 10.0): Microsoft Outlook View ActiveX Control in Microsoft Outlook 2002 and earlier allows remote attackers to execute…
CVE-2023-23397 — Critical (CVSS 9.8): Microsoft Outlook Elevation of Privilege Vulnerability
CVE-2013-3870 — Critical (CVSS 9.3): Double free vulnerability in Microsoft Outlook 2007 SP3 and 2010 SP1 and SP2 allows remote attackers to execute…
CVE-2010-0266 — Critical (CVSS 9.3): Microsoft Office Outlook 2002 SP3, 2003 SP3, and 2007 SP1 and SP2 does not properly verify e-mail attachments with a…
CVE-2007-0033 — Critical (CVSS 9.3): Microsoft Outlook 2002 and 2003 allows user-assisted remote attackers to execute arbitrary code via a malformed VEVENT…
CVE-2007-0034 — Critical (CVSS 9.3): Buffer overflow in the Advanced Search (Finder.exe) feature of Microsoft Outlook 2000, 2002, and 2003 allows…

All CVEs affecting Microsoft Outlook →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →